{"product_id":"piston-94-09-tm250-66-4-domed-wossner-8136db-twin-ring","title":"PISTON 94-09 TM250 66.4 DOMED, WOSSNER 8136DB TWIN RING","description":"Wossner forged piston kit designed for superior strength and performance in 2-stroke engines. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. The elliptical design ensures uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany.\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eForged construction for enhanced durability\u003c\/li\u003e\n\t\u003cli\u003eOptimized heat transfer for improved performance\u003c\/li\u003e\n\t\u003cli\u003eElliptical design prevents localized pressure and piston collapse\u003c\/li\u003e\n\t\u003cli\u003eDomed piston design for increased efficiency\u003c\/li\u003e\n\t\u003cli\u003eTwo-ring configuration for improved sealing\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: 66.34 mm\u003c\/li\u003e\n\t\u003cli\u003ePiston Size: 66.41 mm\u003c\/li\u003e\n\t\u003cli\u003eDisplacement: 577 cm³\u003c\/li\u003e\n\t\u003cli\u003eStroke: 72.00 mm\u003c\/li\u003e\n\t\u003cli\u003eClearance: 0.07 mm\u003c\/li\u003e\n\t\u003cli\u003eWossner Compression Ratio: 2-stroke\u003c\/li\u003e\n\t\u003cli\u003eOEM Compression Ratio: 2-stroke\u003c\/li\u003e\n\t\u003cli\u003eDome Volume: Domed\u003c\/li\u003e\n\t\u003cli\u003eCompression Height: 38.00 mm\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\u003eLock: CW18\u003c\/li\u003e\n\t\u003cli\u003ePin: WP033\u003c\/li\u003e\n\t\u003cli\u003eRing Set: 980XSY\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\u003eTM 250 Cross (1999-)\u003c\/li\u003e\n\t\u003cli\u003eTM 250 Enduro (1999-)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50690044199178,"sku":"56-W020.B.WO","price":156.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/stock53217_1.jpg?v=1738245057","url":"https:\/\/store.phoenixmotos.com\/products\/piston-94-09-tm250-66-4-domed-wossner-8136db-twin-ring","provider":"Phoenix Motos","version":"1.0","type":"link"}