{"product_id":"ref-56-w240-00c-wo","title":"PISTON KIT YZF WRF 250 3-RING WOSSNER 8712DC 08-13 77mm","description":"\u003cbody\u003e\n\n\n\n\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003eWossner forged piston kit with a 77.02mm bore and 76.98mm diameter, designed for Yamaha YZ250F and WR250F models. This 3-ring piston is engineered for durability and high performance, featuring superior strength and design. Manufactured in Germany, it ensures 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.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eForged construction for superior strength\u003c\/li\u003e \t\u003cli\u003eOptimized heat transfer for efficient combustion\u003c\/li\u003e \t\u003cli\u003eElliptical design for uniform load distribution\u003c\/li\u003e \t\u003cli\u003e3-ring piston design for durability\u003c\/li\u003e \t\u003cli\u003eManufactured in Germany\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eBore: 77.02mm\u003c\/li\u003e \t\u003cli\u003eDiameter: 76.98mm\u003c\/li\u003e \t\u003cli\u003eDisplay (cm³): 249\u003c\/li\u003e \t\u003cli\u003eStroke (mm): 53.60\u003c\/li\u003e \t\u003cli\u003eClearance (mm): 0.04\u003c\/li\u003e \t\u003cli\u003eWossner Compression Ratio: OEM\u003c\/li\u003e \t\u003cli\u003eOEM Compression Ratio: 13.50:1\u003c\/li\u003e \t\u003cli\u003eDome Volume (cm³): -2.90\u003c\/li\u003e \t\u003cli\u003eCompression Height (mm): 22.20\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eWossner Piston Yamaha YZ250F (PN# 8712DC)\u003c\/li\u003e \t\u003cli\u003eLock P\/N: CW16\u003c\/li\u003e \t\u003cli\u003ePin P\/N: WP059\u003c\/li\u003e \t\u003cli\u003eRing Set P\/N: 770XAS-2\u003c\/li\u003e \t\u003cli\u003eRod P\/N: P4005\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eYamaha YZ250F (2008-2013)\u003c\/li\u003e \t\u003cli\u003eYamaha WR250F (2008-2013)\u003c\/li\u003e \u003c\/ul\u003e\n\u003cp\u003eMajority of our listings are for a direct replacement for your original part.\u003c\/p\u003e\n\u003cp\u003eOur parts are made of quality and are designed to meet or exceed the original OEM Standards.\u003c\/p\u003e\n\u003cp\u003eOur products are often a cost effective alternative to genuine OEM Parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note: \u003c\/strong\u003ethe models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\n\u003c\/body\u003e","brand":"AW Motorcycle Parts","offers":[{"title":"Default Title","offer_id":55594740875638,"sku":"REF 56-W240+00C.WO","price":192.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/7032\/3318\/files\/stock54103_1.jpg?v=1746756931","url":"https:\/\/n0jgtc-nz.myshopify.com\/products\/ref-56-w240-00c-wo","provider":"AW Motorcycle Parts","version":"1.0","type":"link"}