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The rods are then machined to final size and has then been shot- peened to achieve the ultimate in strength and durability. Made in Germany.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50527529337098,"sku":"56-0352.WO","price":181.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/stock48903_4_a14e4e8e-5af5-4289-a225-31bf40d19a8c.jpg?v=1735742191"},{"product_id":"connecting-rod-kxf250-17-18-wossner-p4074-kawasaki","title":"CONNECTING ROD KXF250 17-18, WOSSNER P4074 KAWASAKI","description":"\u003cstrong\u003eWOSSNER CONNECTING ROD KIT P4074\u003c\/strong\u003e \u003cp\u003eKAWASAKI KX 250F 2017-2018,\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50527530057994,"sku":"56-0354.WO","price":286.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/370-p4074-wossner-conrod-kit-kxf250-17-18kx250-4t.jpg?v=1735742773"},{"product_id":"piston-kit-76-79-yz250-70-00-forged-wossner-8179da-2k7-11637-01-00","title":"PISTON KIT 76-79 YZ250 70.00, FORGED WOSSNER 8179DA 2K7-11637-01-00","description":"Wossner forged piston kit designed for Yamaha YZ250 (1976-1979), IT250 (1978-1980), TY250 (1974-1978), MC250 (1973-1975), and DT250 (1974-1979). 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Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse.\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eForged construction for superior strength\u003c\/li\u003e\n\t\u003cli\u003eOptimized heat transfer for efficient combustion\u003c\/li\u003e\n\t\u003cli\u003eElliptical design for uniform load distribution\u003c\/li\u003e\n\t\u003cli\u003eManufactured in Germany\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore: 72.00mm\u003c\/li\u003e\n\t\u003cli\u003eDiameter: 71.94mm\u003c\/li\u003e\n\t\u003cli\u003eDisplay (cm³): 246\u003c\/li\u003e\n\t\u003cli\u003eStroke (mm): 64.00\u003c\/li\u003e\n\t\u003cli\u003eClearance (mm): 0.06\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio: 2-Stroke\u003c\/li\u003e\n\t\u003cli\u003eCompression Height (mm): 33.00\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eWossner Piston Yamaha YZ250 (PN# 8179D200)\u003c\/li\u003e\n\t\u003cli\u003eLock P\/N: CW18\u003c\/li\u003e\n\t\u003cli\u003ePin P\/N: WP033\u003c\/li\u003e\n\t\u003cli\u003eRing Set P\/N: RSB7200 x 2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYamaha YZ250 (1976-1979)\u003c\/li\u003e\n\t\u003cli\u003eYamaha IT250 (1978-1980)\u003c\/li\u003e\n\t\u003cli\u003eYamaha TY250 (1974-1978)\u003c\/li\u003e\n\t\u003cli\u003eYamaha MC250 (1973-1975)\u003c\/li\u003e\n\t\u003cli\u003eYamaha DT250 (1974-1979)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50533669044490,"sku":"56-W234+200.WO","price":173.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-80-82-yz250-70-00-forged-wossner-8180da","title":"PISTON KIT 80-82 YZ250 70.00, FORGED WOSSNER 8180DA","description":"Wossner forged piston kit designed for Yamaha YZ250 and IT250 models from 1980 to 1982. Manufactured in Germany, this piston offers superior strength and heat transfer efficiency. The elliptical design ensures even load distribution, reducing localized pressure and preventing piston collapse.\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eForged construction for enhanced durability and strength\u003c\/li\u003e\n\t\u003cli\u003eOptimized heat transfer for improved performance\u003c\/li\u003e\n\t\u003cli\u003eElliptical design for uniform bearing surface and reduced wear\u003c\/li\u003e\n\t\u003cli\u003eDesigned for 2-stroke engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Size: 70.00 mm\u003c\/li\u003e\n\t\u003cli\u003eActual Bore: 69.94 mm\u003c\/li\u003e\n\t\u003cli\u003eStroke: 64.00 mm\u003c\/li\u003e\n\t\u003cli\u003eClearance: 0.06 mm\u003c\/li\u003e\n\t\u003cli\u003eCompression Height: 33.00 mm\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio: 2-stroke\u003c\/li\u003e\n\t\u003cli\u003eDisplacement: 246 cm³\u003c\/li\u003e\n\t\u003cli\u003eMade in Germany\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eWossner Part No.: 8180DA\u003c\/li\u003e\n\t\u003cli\u003eLock P\/N: CW18\u003c\/li\u003e\n\t\u003cli\u003ePin P\/N: WP033\u003c\/li\u003e\n\t\u003cli\u003eRing Set P\/N: RSB7000 x 2\u003c\/li\u003e\n\t\u003cli\u003ePiston Kit (Standard): 5X5-11630-00-00\u003c\/li\u003e\n\t\u003cli\u003ePiston (Standard): 5X5-11631-00-94\u003c\/li\u003e\n\t\u003cli\u003ePiston Ring Set (Standard): 5X5-11601-00-00\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin: 214-11633-00-00\u003c\/li\u003e\n\t\u003cli\u003eCirclip: 93450-19052-00\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYamaha YZ250 (1980-1982)\u003c\/li\u003e\n\t\u003cli\u003eYamaha IT250 (1981-1982)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50533669732618,"sku":"56-W452+000.WO","price":166.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-80-82-yz250-70-50-forged-wossner-8180d050","title":"PISTON KIT 80-82 YZ250 70.50, FORGED WOSSNER 8180D050","description":"Wossner forged piston kit designed for Yamaha YZ250 and IT250 models from 1980 to 1982. Manufactured in Germany, this piston offers superior strength and heat transfer efficiency. The elliptical design ensures even load distribution, reducing localized pressure and preventing piston collapse.\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eForged construction for enhanced durability and strength\u003c\/li\u003e\n\t\u003cli\u003eOptimized heat transfer for improved performance\u003c\/li\u003e\n\t\u003cli\u003eElliptical design for uniform bearing surface and reduced wear\u003c\/li\u003e\n\t\u003cli\u003eDesigned for 2-stroke engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Size: 70.50 mm (+0.50 mm oversize)\u003c\/li\u003e\n\t\u003cli\u003eActual Bore: 70.44 mm\u003c\/li\u003e\n\t\u003cli\u003eStroke: 64.00 mm\u003c\/li\u003e\n\t\u003cli\u003eClearance: 0.06 mm\u003c\/li\u003e\n\t\u003cli\u003eCompression Height: 33.00 mm\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio: 2-stroke\u003c\/li\u003e\n\t\u003cli\u003eDisplacement: 246 cm³\u003c\/li\u003e\n\t\u003cli\u003eMade in Germany\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eWossner Part No.: 8180D050\u003c\/li\u003e\n\t\u003cli\u003eLock P\/N: CW18\u003c\/li\u003e\n\t\u003cli\u003ePin P\/N: WP033\u003c\/li\u003e\n\t\u003cli\u003eRing Set P\/N: RSB7050 x 2\u003c\/li\u003e\n\t\u003cli\u003ePiston Kit (Standard): 5X5-11630-00-00\u003c\/li\u003e\n\t\u003cli\u003ePiston (Standard): 5X5-11631-00-94\u003c\/li\u003e\n\t\u003cli\u003ePiston Ring Set (Standard): 5X5-11601-00-00\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin: 214-11633-00-00\u003c\/li\u003e\n\t\u003cli\u003eCirclip: 93450-19052-00\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYamaha YZ250 (1980-1982)\u003c\/li\u003e\n\t\u003cli\u003eYamaha IT250 (1981-1982)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50533670125834,"sku":"56-W452+050.WO","price":166.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-80-82-yz250-71-00-forged-wossner-8180d100","title":"PISTON KIT 80-82 YZ250 71.00, FORGED WOSSNER 8180D100","description":"Wossner forged piston kit designed for Yamaha YZ250 and IT250 models from 1980 to 1982. Manufactured in Germany, this piston offers superior strength and heat transfer efficiency. The elliptical design ensures even load distribution, reducing localized pressure and preventing piston collapse.\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eForged construction for enhanced durability and strength\u003c\/li\u003e\n\t\u003cli\u003eOptimized heat transfer for improved performance\u003c\/li\u003e\n\t\u003cli\u003eElliptical design for uniform bearing surface and reduced wear\u003c\/li\u003e\n\t\u003cli\u003eDesigned for 2-stroke engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Size: 71.00 mm (+1.00 mm oversize)\u003c\/li\u003e\n\t\u003cli\u003eActual Bore: 70.94 mm\u003c\/li\u003e\n\t\u003cli\u003eStroke: 64.00 mm\u003c\/li\u003e\n\t\u003cli\u003eClearance: 0.06 mm\u003c\/li\u003e\n\t\u003cli\u003eCompression Height: 33.00 mm\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio: 2-stroke\u003c\/li\u003e\n\t\u003cli\u003eDisplacement: 246 cm³\u003c\/li\u003e\n\t\u003cli\u003eMade in Germany\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eWossner Part No.: 8180D100\u003c\/li\u003e\n\t\u003cli\u003eLock P\/N: CW18\u003c\/li\u003e\n\t\u003cli\u003ePin P\/N: WP033\u003c\/li\u003e\n\t\u003cli\u003eRing Set P\/N: RSB7100 x 2\u003c\/li\u003e\n\t\u003cli\u003ePiston Kit (Standard): 5X5-11630-00-00\u003c\/li\u003e\n\t\u003cli\u003ePiston (Standard): 5X5-11631-00-94\u003c\/li\u003e\n\t\u003cli\u003ePiston Ring Set (Standard): 5X5-11601-00-00\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin: 214-11633-00-00\u003c\/li\u003e\n\t\u003cli\u003eCirclip: 93450-19052-00\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYamaha YZ250 (1980-1982)\u003c\/li\u003e\n\t\u003cli\u003eYamaha IT250 (1981-1982)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50533670682890,"sku":"56-W452+100.WO","price":172.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-80-82-yz250-71-50-forged-wossner-8180d150","title":"PISTON KIT 80-82 YZ250 71.50, FORGED WOSSNER 8180D150","description":"Wossner forged piston kit designed for Yamaha YZ250 and IT250 models from 1980 to 1982. Manufactured in Germany, this piston offers superior strength and heat transfer efficiency. The elliptical design ensures even load distribution, reducing localized pressure and preventing piston collapse.\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eForged construction for enhanced durability and strength\u003c\/li\u003e\n\t\u003cli\u003eOptimized heat transfer for improved performance\u003c\/li\u003e\n\t\u003cli\u003eElliptical design for uniform bearing surface and reduced wear\u003c\/li\u003e\n\t\u003cli\u003eDesigned for 2-stroke engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Size: 71.50 mm (+1.50 mm oversize)\u003c\/li\u003e\n\t\u003cli\u003eActual Bore: 71.44 mm\u003c\/li\u003e\n\t\u003cli\u003eStroke: 64.00 mm\u003c\/li\u003e\n\t\u003cli\u003eClearance: 0.06 mm\u003c\/li\u003e\n\t\u003cli\u003eCompression Height: 33.00 mm\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio: 2-stroke\u003c\/li\u003e\n\t\u003cli\u003eDisplacement: 246 cm³\u003c\/li\u003e\n\t\u003cli\u003eMade in Germany\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eWossner Part No.: 8180D150\u003c\/li\u003e\n\t\u003cli\u003eLock P\/N: CW18\u003c\/li\u003e\n\t\u003cli\u003ePin P\/N: WP033\u003c\/li\u003e\n\t\u003cli\u003eRing Set P\/N: RSB7150 x 2\u003c\/li\u003e\n\t\u003cli\u003ePiston Kit (Standard): 5X5-11630-00-00\u003c\/li\u003e\n\t\u003cli\u003ePiston (Standard): 5X5-11631-00-94\u003c\/li\u003e\n\t\u003cli\u003ePiston Ring Set (Standard): 5X5-11601-00-00\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin: 214-11633-00-00\u003c\/li\u003e\n\t\u003cli\u003eCirclip: 93450-19052-00\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYamaha YZ250 (1980-1982)\u003c\/li\u003e\n\t\u003cli\u003eYamaha IT250 (1981-1982)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50533671207178,"sku":"56-W452+150.WO","price":172.55,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-80-82-yz250-72-00-forged-wossner-8180d200","title":"PISTON KIT 80-82 YZ250 72.00, FORGED WOSSNER 8180D200","description":"Wossner forged piston kit designed for Yamaha YZ250 and IT250 models from 1980 to 1982. Manufactured in Germany, this piston offers superior strength and heat transfer efficiency. The elliptical design ensures even load distribution, reducing localized pressure and preventing piston collapse.\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eForged construction for enhanced durability and strength\u003c\/li\u003e\n\t\u003cli\u003eOptimized heat transfer for improved performance\u003c\/li\u003e\n\t\u003cli\u003eElliptical design for uniform bearing surface and reduced wear\u003c\/li\u003e\n\t\u003cli\u003eDesigned for 2-stroke engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Size: 72.00 mm (+2.00 mm oversize)\u003c\/li\u003e\n\t\u003cli\u003eActual Bore: 71.94 mm\u003c\/li\u003e\n\t\u003cli\u003eStroke: 64.00 mm\u003c\/li\u003e\n\t\u003cli\u003eClearance: 0.06 mm\u003c\/li\u003e\n\t\u003cli\u003eCompression Height: 33.00 mm\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio: 2-stroke\u003c\/li\u003e\n\t\u003cli\u003eDisplacement: 246 cm³\u003c\/li\u003e\n\t\u003cli\u003eMade in Germany\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eWossner Part No.: 8180D200\u003c\/li\u003e\n\t\u003cli\u003eLock P\/N: CW18\u003c\/li\u003e\n\t\u003cli\u003ePin P\/N: WP033\u003c\/li\u003e\n\t\u003cli\u003eRing Set P\/N: RSB7200 x 2\u003c\/li\u003e\n\t\u003cli\u003ePiston Kit (Standard): 5X5-11630-00-00\u003c\/li\u003e\n\t\u003cli\u003ePiston (Standard): 5X5-11631-00-94\u003c\/li\u003e\n\t\u003cli\u003ePiston Ring Set (Standard): 5X5-11601-00-00\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin: 214-11633-00-00\u003c\/li\u003e\n\t\u003cli\u003eCirclip: 93450-19052-00\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYamaha YZ250 (1980-1982)\u003c\/li\u003e\n\t\u003cli\u003eYamaha IT250 (1981-1982)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50533671469322,"sku":"56-W452+200.WO","price":172.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-83-87-yz250-68-00-wossner-8133da-yamaha-mx-39x-11630-00-00","title":"PISTON KIT 83-87 YZ250 68.00, WOSSNER 8133DA YAMAHA MX 39X-11630-00-00","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 68\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003emm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 67.94\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8133DA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (STD)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cbr\u003e\u003cspan style=\"font-size: x-small;\"\u003eYZ250 1983 - 1987,\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.9em; margin-left: 0px; padding-left: 0px; list-style: none; line-height: 1.3em; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W560+000.WO (phoenixmotos.com) \u003cbr\u003eWossner Piston Yamaha YZ250 68 mm Bore (PN# 8133DA)\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB6800 X 2\u003cbr\u003e Rod P\/N P2048 1983 - 1989 Models\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 246\u003cbr\u003eHub stroke (mm) 68.00\u003cbr\u003eClearance (mm) 0.06\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 36.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003eCross reference numbers ONLY. \u003cbr\u003e39X-11630-00-00, 560M06800,\u003c\/p\u003e \u003cp\u003e\u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50533672091914,"sku":"56-W560+000.WO","price":166.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-83-87-yz250-69-00-wossner-8133d100-yamaha-mx","title":"PISTON KIT 83-87 YZ250 69.00, WOSSNER 8133D100 YAMAHA MX","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 69\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003emm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 68.94\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8133D100\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (+1.00)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cbr\u003e\u003cspan style=\"font-size: x-small;\"\u003eYZ250 1983 - 1987,\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.9em; margin-left: 0px; padding-left: 0px; list-style: none; line-height: 1.3em; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W560+100.WO (phoenixmotos.com) \u003cbr\u003eWossner Piston Yamaha YZ250 69 mm Bore (PN# 8133D100)\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB6900 X 2\u003cbr\u003e Rod P\/N P2048 1983 - 1989 Models\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 246\u003cbr\u003eHub stroke (mm) 68.00\u003cbr\u003eClearance (mm) 0.06\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 36.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50533672517898,"sku":"56-W560+100.WO","price":172.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-83-87-yz250-69-25-wossner-8133d125-yamaha-mx","title":"PISTON KIT 83-87 YZ250 69.25, WOSSNER 8133D125 YAMAHA MX","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 69\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e.25mm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 69.19\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8133D125\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (+1.25)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cbr\u003e\u003cspan style=\"font-size: x-small;\"\u003eYZ250 1983 - 1987,\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.9em; margin-left: 0px; padding-left: 0px; list-style: none; line-height: 1.3em; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W560+100.WO (phoenixmotos.com) \u003cbr\u003eWossner Piston Yamaha YZ250 69.25 mm Bore (PN# 8133D125)\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB6925 X 2\u003cbr\u003eRod P\/N P2048 1983 - 1989 Models\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 246\u003cbr\u003eHub stroke (mm) 68.00\u003cbr\u003eClearance (mm) 0.06\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 36.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50538055270666,"sku":"56-W560+125.WO","price":172.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-83-87-yz250-69-50-wossner-8133d150-yamaha-mx","title":"PISTON KIT 83-87 YZ250 69.50, WOSSNER 8133D150 YAMAHA MX","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 69\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e.50mm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 69.44\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8133D150\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (+1.50)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cbr\u003e\u003cspan style=\"font-size: x-small;\"\u003eYZ250 1983 - 1987,\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.9em; margin-left: 0px; padding-left: 0px; list-style: none; line-height: 1.3em; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W560+150.WO (phoenixmotos.com) \u003cbr\u003eWossner Piston Yamaha YZ250 69.50 mm Bore (PN# 8133D150)\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB6950 X 2\u003cbr\u003eRod P\/N P2048 1983 - 1989 Models\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 246\u003cbr\u003eHub stroke (mm) 68.00\u003cbr\u003eClearance (mm) 0.06\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 36.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50538055303434,"sku":"56-W560+150.WO","price":172.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-83-87-yz250-70-00-wossner-8133d200-yamaha-mx","title":"PISTON KIT 83-87 YZ250 70.00, WOSSNER 8133D200 YAMAHA MX","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 70\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003emm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 69.94\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8133D200\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (+2.00)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cbr\u003e\u003cspan style=\"font-size: x-small;\"\u003eYZ250 1983 - 1987,\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.9em; margin-left: 0px; padding-left: 0px; list-style: none; line-height: 1.3em; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W560+200.WO (phoenixmotos.com) \u003cbr\u003eWossner Piston Yamaha YZ250 70mm Bore (PN# 8133D200)\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB7000 X 2\u003cbr\u003eRod P\/N P2048 1983 - 1989 Models\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 246\u003cbr\u003eHub stroke (mm) 68.00\u003cbr\u003eClearance (mm) 0.06\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 36.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50538055368970,"sku":"56-W560+200.WO","price":172.55,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-88-91-yz250-68-00-wossner-8134da-yamaha-mx","title":"PISTON KIT 88-91 YZ250 68.00, WOSSNER 8134DA YAMAHA MX","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 68\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003emm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 67.94\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8134DA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (STD)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eYZ250 1988 - 1991,\u003cbr\u003eWR250 1988 - 1991,\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin: 0px 0px 0.9em; padding: 0px; line-height: 1.3em; list-style: none; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W605+000.WO (phoenixmotos.com) \u003cbr\u003eWossner Piston Yamaha YZ250 68 mm Bore (PN# 8134DA)\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB6800 X 2\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 246\u003cbr\u003eHub stroke (mm) 68.00\u003cbr\u003eClearance (mm) 0.06\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 36.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e \u003cp\u003e1988 Yamaha WR 250 1988 Yamaha YZ Base 1989 Yamaha WR 250 1989 Yamaha YZ Base 1990 Yamaha WR 250 1990 Yamaha YZ Base 1991 Yamaha WR 250 1991 Yamaha YZ Base\u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50538055434506,"sku":"56-W605+000.WO","price":166.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-88-91-yz250-68-50-wossner-8134d050-yamaha-mx","title":"PISTON KIT 88-91 YZ250 68.50, WOSSNER 8134D050 YAMAHA MX","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 68.50\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003emm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 68.44\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8134D050\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (+0.50)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003cbr\u003eYZ250 1988 - 1991,\u003cbr\u003eWR250 1988 - 1991,\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin: 0px 0px 0.9em; padding: 0px; line-height: 1.3em; list-style: none; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W605+050.WO (phoenixmotos.com) \u003cbr\u003eWossner Piston Yamaha YZ250 68.50 mm Bore (PN# 8134D050)\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB68500 X 2\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 246\u003cbr\u003eHub stroke (mm) 68.00\u003cbr\u003eClearance (mm) 0.06\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 36.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003e\u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50538055598346,"sku":"56-W605+050.WO","price":174.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-88-91-yz250-69-50-wossner-8134d150-yamaha-mx","title":"PISTON KIT 88-91 YZ250 69.50, WOSSNER 8134D150 YAMAHA MX","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 69\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e.50mm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 69.44\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8134D150\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (+1.50)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eYZ250 1988 - 1991,\u003cbr\u003eWR250 1988 - 1991,\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin: 0px 0px 0.9em; padding: 0px; line-height: 1.3em; list-style: none; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W605+150.WO (phoenixmotos.com) \u003cbr\u003eWossner Piston Yamaha YZ250 69.50 mm Bore (PN# 8134D150)\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB6950 x2\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 246\u003cbr\u003eHub stroke (mm) 68.00\u003cbr\u003eClearance (mm) 0.06\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 36.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e1988 Yamaha WR 250 1988 Yamaha YZ Base 1989 Yamaha WR 250 1989 Yamaha YZ Base 1990 Yamaha WR 250 1990 Yamaha YZ Base 1991 Yamaha WR 250 1991 Yamaha YZ Base\u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50538056188170,"sku":"56-W605+150.WO","price":172.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-88-91-yz250-70-00-wossner-8134d200-yamaha-mx","title":"PISTON KIT 88-91 YZ250 70.00, WOSSNER 8134D200 YAMAHA MX","description":"\u003cstrong\u003ePiston Kit 70mm Bore 69.94 Wossner 8134D200 (+2.00)\u003c\/strong\u003e\n\n\u003cp\u003e\u003cstrong\u003eYAMAHA YZ250 1988 - 1991, WR250 1988 - 1991\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWossner forged pistons are superior in strength and design. Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse. Made in Germany.\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eWossner Piston Yamaha YZ250 70.00 mm Bore (PN#):\u003c\/strong\u003e 8134D200\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eLock P\/N:\u003c\/strong\u003e CW18\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003ePin P\/N:\u003c\/strong\u003e WP033\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eRing Set P\/N:\u003c\/strong\u003e RSB7000 x2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eDisplay (cm3):\u003c\/strong\u003e 246\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eHub Stroke (mm):\u003c\/strong\u003e 68.00\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eClearance (mm):\u003c\/strong\u003e 0.06\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eWossner Compression Ratio:\u003c\/strong\u003e 2 stroke\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eOEM Compression Ratio:\u003c\/strong\u003e 2 stroke\u003c\/li\u003e\n\t\u003cli\u003e\u003cstrong\u003eDome Volume (cm3):\u003c\/strong\u003e\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCompression Height (mm):\u003c\/strong\u003e 36.00\u003c\/li\u003e\n\t\u003cli\u003e\u003cstrong\u003eTheoretical Weight (G):\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50538056352010,"sku":"56-W605+200.WO","price":172.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-92-98-yz250-68-00-a-wossner-8023da-yamaha-mx","title":"PISTON KIT 92-98 YZ250 68.00 A, WOSSNER 8023DA YAMAHA MX","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 68\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003emm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 67.94\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8023DA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (STD)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cbr\u003e\u003cspan style=\"font-size: x-small;\"\u003eYZ250 1992 - 1998,\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: x-small;\"\u003eWR250 1992 - 1999, \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.9em; margin-left: 0px; padding-left: 0px; list-style: none; line-height: 1.3em; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W677.A.WO (phoenixmotos.com)\u003cbr\u003eWossner Piston Yamaha YZ250 68 mm Bore (PN# 8023DA)\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB6800 x 2\u003cbr\u003e Rod P\/N P2029\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 246\u003cbr\u003eHub stroke (mm) 68.00\u003cbr\u003eClearance (mm) 0.06\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 36.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e1992 Yamaha WR 250 1992 Yamaha YZ 250 1993 Yamaha WR 250 1993 Yamaha YZ 250 1994 Yamaha WR 250 1994 Yamaha YZ 250\u003c\/p\u003e \u003cp\u003e1995 Yamaha WR 250 1995 Yamaha YZ 250 1996 Yamaha WR 250 1996 Yamaha YZ 250 1997 Yamaha WR 250 1997 Yamaha YZ 250 1998 Yamaha WR 250 1998 Yamaha YZ 250 1999 Yamaha WR 250\u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50538056483082,"sku":"56-W677.A.WO","price":158.05,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-92-98-yz250-68-00-b-wossner-8023db-yamaha-kit","title":"PISTON KIT 92-98 YZ250 68.00 B, WOSSNER 8023DB YAMAHA KIT","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 68\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e.01mm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 67.95\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8023DB\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (+0.01)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cbr\u003e\u003cspan style=\"font-size: x-small;\"\u003eYZ250 1992 - 1998,\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: x-small;\"\u003eWR250 1992 - 1999,\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.9em; margin-left: 0px; padding-left: 0px; list-style: none; line-height: 1.3em; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W677.B.WO (phoenixmotos.com)\u003cbr\u003eWossner Piston Yamaha YZ250 68.01 mm Bore (PN# 8023DB)\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB6800 x 2\u003cbr\u003e Rod P\/N P2029\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 246\u003cbr\u003eHub stroke (mm) 68.00\u003cbr\u003eClearance (mm) 0.06\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 36.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50538057236746,"sku":"56-W677.B.WO","price":158.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-92-98-yz250-68-00-c-wossner-8023dc-yamaha-mx","title":"PISTON KIT 92-98 YZ250 68.00 C, WOSSNER 8023DC YAMAHA MX","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 68.02\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003emm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 67.96\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8023DC\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (+0.02)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eYZ250 1992 - 1998,\u003cbr\u003eWR250 1992 - 1999, \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.9em; margin-left: 0px; padding-left: 0px; list-style: none; line-height: 1.3em; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W677.C.WO (phoenixmotos.com)\u003cbr\u003eWossner Piston Yamaha YZ250 68.02 mm Bore (PN# 8023DC)\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB6800 x 2\u003cbr\u003e Rod P\/N P2029\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 246\u003cbr\u003eHub stroke (mm) 68.00\u003cbr\u003eClearance (mm) 0.06\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 36.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50538057793802,"sku":"56-W677.C.WO","price":158.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-92-98-yz250-68-50-wossner-8023d050","title":"PISTON KIT 92-98 YZ250 68.50, WOSSNER 8023D050","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 68.50\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003emm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 68.44\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8023D050\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (+0.50)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cbr\u003e\u003cspan style=\"font-size: x-small;\"\u003eYZ250 1992 - 1998,\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: x-small;\"\u003eWR250 1992 - 1999, \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.9em; margin-left: 0px; padding-left: 0px; list-style: none; line-height: 1.3em; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W677_050_WO (phoenixmotos.com)\u003cbr\u003eWossner Piston Yamaha YZ250 68.50 mm Bore (PN# 8023D050)\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB6850 x 2\u003cbr\u003e Rod P\/N P2029\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 246\u003cbr\u003eHub stroke (mm) 68.00\u003cbr\u003eClearance (mm) 0.06\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 36.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50538325049610,"sku":"56-W677_050_WO","price":158.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-92-98-yz250-69-00-wossner-8023d100-yamaha-mx","title":"PISTON KIT 92-98 YZ250 69.00, WOSSNER 8023D100 YAMAHA MX","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 69\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003emm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 68.94\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8023D100\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (+1.00)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eYZ250 1992 - 1998,\u003cbr\u003eWR250 1992 - 1999, \u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.9em; margin-left: 0px; padding-left: 0px; list-style: none; line-height: 1.3em; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W677_100_WO (phoenixmotos.com)\u003cbr\u003eWossner Piston Yamaha YZ250 69 mm Bore (PN# 8023D100)\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB6850 x 2\u003cbr\u003e Rod P\/N P2029\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 246\u003cbr\u003eHub stroke (mm) 68.00\u003cbr\u003eClearance (mm) 0.06\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 36.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003e\u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50538325115146,"sku":"56-W677_100_WO","price":168.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-92-98-yz250-70-00-wossner-8023d200-yamaha-mx","title":"PISTON KIT 92-98 YZ250 70.00, WOSSNER 8023D200 YAMAHA MX","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 70\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003emm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 69.94\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8023D200\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (+2.00)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eYZ250 1992 - 1998,\u003cbr\u003eWR250 1992 - 1999, \u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.9em; margin-left: 0px; padding-left: 0px; list-style: none; line-height: 1.3em; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W677_100_WO (phoenixmotos.com)\u003cbr\u003eWossner Piston Yamaha YZ250 70 mm Bore (PN# 8023D200)\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB7000 x 2\u003cbr\u003e Rod P\/N P2029\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 246\u003cbr\u003eHub stroke (mm) 68.00\u003cbr\u003eClearance (mm) 0.06\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 36.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50538325147914,"sku":"56-W677_200_WO","price":168.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-99-18-yz250-1-ring-wossner-8217da-66-40-a","title":"PISTON KIT 99-18 YZ250 1-RING, WOSSNER 8217DA 66.40 A","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 66.40\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003emm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 66.35\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8217DA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (STD)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cbr\u003e\u003cspan style=\"font-size: x-small;\"\u003eYZ250 1999 - 2018, (Single ring)\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.9em; margin-left: 0px; padding-left: 0px; list-style: none; line-height: 1.3em; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W742.A.WO.1R (phoenixmotos.com) \u003cbr\u003eWossner Piston Kit 8217DA SINGLE RING PISTON Yamaha YZ250 1999-2018 66.4mm Bore.\u003cbr\u003e Gasket P\/N D2041\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB6640\u003cbr\u003e Rod P\/N P2028\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 249\u003cbr\u003eHub stroke (mm) 68.00\u003cbr\u003eClearance (mm) 0.05\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 38.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003eCross reference numbers ONLY. OLD No. 56-W056.WO.A\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50538325508362,"sku":"56-W742.A.WO.1R","price":167.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-99-18-yz250-1-ring-wossner-8217db-66-40","title":"PISTON KIT 99-18 YZ250 1-RING, WOSSNER 8217DB 66.40","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 66.41\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003emm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 66.36\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8217DB\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (+0.01)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cbr\u003e\u003cspan style=\"font-size: x-small;\"\u003eYZ250 1999 - 2018, (Single ring)\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.9em; margin-left: 0px; padding-left: 0px; list-style: none; line-height: 1.3em; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W742.B.WO.1R (phoenixmotos.com)\u003cbr\u003eWossner Piston Kit (PN# 8217DB) SINGLE RING PISTON Yamaha YZ250 1999-13 66.4mm Bore.\u003cbr\u003e Gasket P\/N D2041\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB6640\u003cbr\u003eRod P\/N P2028\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 249\u003cbr\u003eHub stroke (mm) 68.00\u003cbr\u003eClearance (mm) 0.05\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 38.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003eCross reference numbers ONLY. OLD No. 56-W056.WO.B\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50538326032650,"sku":"56-W742.B.WO.1R","price":179.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13.jpg?v=1735892984"},{"product_id":"piston-kit-99-18-yz250-66-40-c-wossner-8216dc-yamaha-mx-2-ring-piston","title":"PISTON KIT 99-18 YZ250 66.40 C, WOSSNER 8216DC YAMAHA MX, 2 RING PISTON","description":"\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003ePiston kit 66.42\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003emm \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eBore 66.37\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e Wossner 8216DC\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e (+0.02)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"font-size: x-small;\"\u003e\u003cstrong\u003eYAMAHA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cbr\u003e\u003cspan style=\"font-size: x-small;\"\u003eYZ250 1999 - 2018,\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cul style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.9em; margin-left: 0px; padding-left: 0px; list-style: none; line-height: 1.3em; font-family: Roboto, sans-serif; color: #343a40; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eWossner forged pistons are superior in strength and design.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eEngineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eElliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.\u003c\/li\u003e \u003cli style=\"box-sizing: border-box; list-style: disc; margin-left: 1.2em;\"\u003eMade in Germany.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-W742.C.WO (phoenixmotos.com)\u003cbr\u003eWossner Piston Kit (PN# 8216DC) 2 RING PISTON Yamaha YZ250 1999-13 66.4mm Bore.\u003cbr\u003e Lock P\/N CW18\u003cbr\u003e Pin P\/N WP033\u003cbr\u003e Ring Set P\/N RSB6640 x 2\u003cbr\u003e Rod P\/N P2028\u003c\/p\u003e \u003cp\u003eDisplay (cm3) 249\u003cbr\u003eHub stroke (mm) 54.10\u003cbr\u003eClearance (mm) 0.06\u003cbr\u003eWossner compression Ratio: 2 stroke\u003cbr\u003eOEM Compression ratio: 2 stroke\u003cbr\u003eDome volume (cm3) \u003cbr\u003eCompression height (mm) 28.00\u003cbr\u003eTheorectical weight (G)\u003c\/p\u003e \u003cp\u003e\u003c\/p\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50538326163722,"sku":"56-W742.C.WO","price":170.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/56-W742-A-WO_13_1.jpg?v=1735979346"}],"url":"https:\/\/store.phoenixmotos.com\/collections\/wossner.oembed?page=43","provider":"Phoenix Motos","version":"1.0","type":"link"}