{"product_id":"piston-kit-15-16-kx250f-77-hc-high-compression-wossner-8922da-kxf250-13001-0747","title":"PISTON KIT 15-16 KX250F 77 HC, HIGH COMPRESSION, WOSSNER 8922DA KXF250 13001-0747","description":"Wossner high-compression forged piston kit with a 77mm bore, designed for Kawasaki KX250F models from 2015 to 2016. Engineered for increased performance, the elliptical design ensures uniform bearing surface expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany for strength, durability, and efficient heat transfer.\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHigh-compression design for enhanced performance\u003c\/li\u003e\n\t\u003cli\u003eForged construction for increased strength and reliability\u003c\/li\u003e\n\t\u003cli\u003eOptimized heat transfer for efficient combustion\u003c\/li\u003e\n\t\u003cli\u003eElliptical design for uniform bearing surface and even thrust 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 Size: 77mm\u003c\/li\u003e\n\t\u003cli\u003eClearance: 0.05mm\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio (Wossner): 14.50:1\u003c\/li\u003e\n\t\u003cli\u003eOEM Compression Ratio: 13.80:1\u003c\/li\u003e\n\t\u003cli\u003eDome Volume: -1.78 cm³\u003c\/li\u003e\n\t\u003cli\u003eCompression Height: 19.80mm\u003c\/li\u003e\n\t\u003cli\u003eStroke: 53.60mm\u003c\/li\u003e\n\t\u003cli\u003eTheoretical Weight: 136.00g\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.: 8922DA\u003c\/li\u003e\n\t\u003cli\u003eLock Part No.: CW16\u003c\/li\u003e\n\t\u003cli\u003ePin Part No.: WP087\u003c\/li\u003e\n\t\u003cli\u003eRing Set Part No.: 770XAS-2\u003c\/li\u003e\n\t\u003cli\u003eOEM Part No.: 13001-0747\u003c\/li\u003e\n\t\u003cli\u003eWiseco Part No.: 40135M07700\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\u003eKawasaki KX250F (2015-2016)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50691498279178,"sku":"56-W331.A.WO.HC","price":174.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/stock54270_1.jpg?v=1738255904","url":"https:\/\/store.phoenixmotos.com\/products\/piston-kit-15-16-kx250f-77-hc-high-compression-wossner-8922da-kxf250-13001-0747","provider":"Phoenix Motos","version":"1.0","type":"link"}