{"product_id":"ref-56-w4785_300","title":"WOSSNER 98mm PISTON KIT YAMAHA YZ450F 03-09, WR450F 03-09, GAS GAS EC450F 13-15","description":"\u003cbody\u003e\n\n\n\n\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\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\/p\u003e  \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eForged construction for enhanced durability and strength\u003c\/li\u003e \t\u003cli\u003eOptimized heat transfer for improved combustion efficiency\u003c\/li\u003e \t\u003cli\u003eElliptical design for even thrust load distribution\u003c\/li\u003e \t\u003cli\u003eMade in Germany\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eBore Size: 97.96mm (+3.00mm oversize = 98mm)\u003c\/li\u003e \t\u003cli\u003eDisplacement: 449 cm³\u003c\/li\u003e \t\u003cli\u003eStroke: 63.40mm\u003c\/li\u003e \t\u003cli\u003eClearance: 0.04mm\u003c\/li\u003e \t\u003cli\u003eCompression Ratio: OEM (12.50:1)\u003c\/li\u003e \t\u003cli\u003eDome Volume: -9.90 cm³\u003c\/li\u003e \t\u003cli\u003eCompression Height: 23.50mm\u003c\/li\u003e \t\u003cli\u003eTheoretical Weight: Not specified\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003ePiston Kit (8562D300)\u003c\/li\u003e \t\u003cli\u003ePiston Clip: CW18\u003c\/li\u003e \t\u003cli\u003ePiston Pin: WP053\u003c\/li\u003e \t\u003cli\u003ePiston Ring: 980ADS-2\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eYamaha YZ450F (2003-2004)\u003c\/li\u003e \t\u003cli\u003eYamaha WR450F (2003-2004)\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":55594822140278,"sku":"REF 56-W4785_300","price":195.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/7032\/3318\/files\/stock55039_1.jpg?v=1746691390","url":"https:\/\/n0jgtc-nz.myshopify.com\/products\/ref-56-w4785_300","provider":"AW Motorcycle Parts","version":"1.0","type":"link"}