{"product_id":"oro2u-56-w4785-200-9907954f","title":"Piston Kit 03-04 YZF450 97.00, Forged Wossner 8562D200","description":"\u003cp\u003ePiston Kit 03-04 YZF450 97.00, Forged Wossner 8562D200. Find the product specifications and compatibility information below.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProduct: Piston Kit 03-04 YZF450 97.00, Forged Wossner 8562D200\u003c\/li\u003e\n\u003cli\u003ePart number: 56-W4785_200\u003c\/li\u003e\n\u003cli\u003eBrand: Wossner\u003c\/li\u003e\n\u003cli\u003eWossner forged piston kit designed for superior strength and heat transfer efficiency. Engineered with an elliptical shape to ensure uniform bearing surfaces under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany for high-performance applications.\u003c\/li\u003e\n\u003cli\u003eForged construction for enhanced durability and strength\u003c\/li\u003e\n\u003cli\u003eOptimized heat transfer for improved combustion efficiency\u003c\/li\u003e\n\u003cli\u003eElliptical design for even thrust load distribution\u003c\/li\u003e\n\u003cli\u003eMade in Germany\u003c\/li\u003e\n\u003cli\u003eBore Size: 96.96mm (+2.00mm oversize = 97mm)\u003c\/li\u003e\n\u003cli\u003eDisplacement: 449 cm³\u003c\/li\u003e\n\u003cli\u003eStroke: 63.40mm\u003c\/li\u003e\n\u003cli\u003eClearance: 0.04mm\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: OEM (12.50:1)\u003c\/li\u003e\n\u003cli\u003eDome Volume: -9.90 cm³\u003c\/li\u003e\n\u003cli\u003eCompression Height: 23.50mm\u003c\/li\u003e\n\u003cli\u003eTheoretical Weight: Not specified\u003c\/li\u003e\n\u003cli\u003eIncluded Components\u003c\/li\u003e\n\u003cli\u003ePiston Kit (8562D200)\u003c\/li\u003e\n\u003cli\u003ePiston Clip: CW18\u003c\/li\u003e\n\u003cli\u003ePiston Pin: WP053\u003c\/li\u003e\n\u003cli\u003ePiston Ring: 970ADS-2\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\u003eGAS-GAS EC F 450cc — 2013–2015\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ F 450cc — 2003–2009\u003c\/li\u003e\n\u003cli\u003eYAMAHA WR F 450cc — 2003–2015\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZF 450cc — 2003–2009\u003c\/li\u003e\n\u003cli\u003eYAMAHA WRF 450cc — 2003–2015\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ F 450cc — 2003–2005\u003c\/li\u003e\n\u003cli\u003eYAMAHA WRF 450cc — 2003–2006\u003c\/li\u003e\n\u003cli\u003eYAMAHA WR F 450cc — 2003–2006\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ F 450cc — 2006–2009\u003c\/li\u003e\n\u003cli\u003eYAMAHA WR F 450cc — 2003–2005\u003c\/li\u003e\n\u003cli\u003eGAS-GAS EC F 250cc — 2013–2015\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZF 450cc — 2003–2004\u003c\/li\u003e\n\u003cli\u003eYAMAHA WR F 450cc — 2007–2012\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":59663776579932,"sku":"56-W4785_200","price":208.83,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0866\/6982\/0252\/files\/stock55038_1.jpg?v=1793120388","url":"https:\/\/fdyperformance.com\/products\/oro2u-56-w4785-200-9907954f","provider":"FDY performance Ltd","version":"1.0","type":"link"}