{"product_id":"oro2u-56-w4830-00c-wo-6f52fda7","title":"Piston Kit 06-09 CRF250R X 78, Forged Wossner 8656DC","description":"\u003cp\u003ePiston Kit 06-09 CRF250R X 78, Forged Wossner 8656DC. Find the product specifications and compatibility information below.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProduct: Piston Kit 06-09 CRF250R X 78, Forged Wossner 8656DC\u003c\/li\u003e\n\u003cli\u003ePart number: 56-W4830+00C.WO\u003c\/li\u003e\n\u003cli\u003eBrand: Wossner\u003c\/li\u003e\n\u003cli\u003eWossner 78.02mm high-compression forged piston kit is designed for enhanced engine performance. Engineered for optimal heat transfer, it ensures efficient cooling of the combustion chamber. The elliptical design provides a uniform bearing surface, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany for precision and reliability.\u003c\/li\u003e\n\u003cli\u003eHigh-compression design for increased engine performance\u003c\/li\u003e\n\u003cli\u003eForged construction for enhanced strength and longevity\u003c\/li\u003e\n\u003cli\u003eOptimized heat transfer for efficient cooling\u003c\/li\u003e\n\u003cli\u003eElliptical design prevents piston collapse and ensures even load distribution\u003c\/li\u003e\n\u003cli\u003eManufactured in Germany for high-quality standards\u003c\/li\u003e\n\u003cli\u003eBore Size: 78.02mm\u003c\/li\u003e\n\u003cli\u003eActual Bore Diameter: 77.98mm\u003c\/li\u003e\n\u003cli\u003eDisplacement: 249 cm³\u003c\/li\u003e\n\u003cli\u003eStroke: 52.20mm\u003c\/li\u003e\n\u003cli\u003eClearance: 0.04mm\u003c\/li\u003e\n\u003cli\u003eWossner Compression Ratio: 13.50:1\u003c\/li\u003e\n\u003cli\u003eOEM Compression Ratio: 12.90:1\u003c\/li\u003e\n\u003cli\u003eDome Volume: -0.90 cm³\u003c\/li\u003e\n\u003cli\u003eCompression Height: 24.00mm\u003c\/li\u003e\n\u003cli\u003eTheoretical Weight: 19.00g\u003c\/li\u003e\n\u003cli\u003eGasket Part Number: D4004\u003c\/li\u003e\n\u003cli\u003eLock Part Number: CW16\u003c\/li\u003e\n\u003cli\u003ePin Part Number: WP059\u003c\/li\u003e\n\u003cli\u003eRing Set Part Number: 780XAS\u003c\/li\u003e\n\u003cli\u003eCross-Reference OEM Part Numbers\u003c\/li\u003e\n\u003cli\u003ePart No: 56-W4830+00C.WO\u003c\/li\u003e\n\u003cli\u003eWossner Part No: 8656DC\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\u003cp\u003eApplications listed in the supplier fitment data:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHONDA CRF R 250cc — 2004–2009\u003c\/li\u003e\n\u003cli\u003eHONDA CRF R 250cc — 2006–2009\u003c\/li\u003e\n\u003cli\u003eHONDA CRF X 250cc — 2004–2009\u003c\/li\u003e\n\u003cli\u003eHONDA CRF X 250cc — 2004–2013\u003c\/li\u003e\n\u003cli\u003eHONDA CRF X 250cc — 2006–2009\u003c\/li\u003e\n\u003cli\u003eHONDA CRF X 250cc — 2005–2017\u003c\/li\u003e\n\u003cli\u003eHONDA CRF X 250cc — 2011–2016\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMatch your exact make, model, year and specification before ordering.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eWhy buy from FDY Performance?\u003c\/h3\u003e\u003cp\u003eFDY Performance is a UK motorcycle and ATV parts specialist. We help riders find parts with clear specifications, vehicle fitment information where available and support before ordering.\u003c\/p\u003e\u003ch3\u003eNeed help choosing the right part?\u003c\/h3\u003e\u003cp\u003eContact us with your bike make, model and year, plus the part number shown above, and we can help you check compatibility.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCall: \u003ca href=\"tel:+447765534854\"\u003e07765 534854\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmail: \u003ca href=\"mailto:fdy@fdyperformance.com\"\u003efdy@fdyperformance.com\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eWebsite: \u003ca href=\"https:\/\/www.fdyperformance.com\"\u003ewww.fdyperformance.com\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":59663789785436,"sku":"56-W4830+00C.WO","price":183.92,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0866\/6982\/0252\/files\/stock55164_1_9dfdc745-b953-4f3a-9150-0471190ccf27.jpg?v=1793120587","url":"https:\/\/fdyperformance.com\/products\/oro2u-56-w4830-00c-wo-6f52fda7","provider":"FDY performance Ltd","version":"1.0","type":"link"}