{"product_id":"ref-56-w021-a-wo","title":"PISTON 99-09 TM250 66.4 DOME WOSSNER 8137DA FORGED KIT SINGLE RING","description":"\u003cbody\u003e\n\n\n\n\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003eWossner forged piston kit designed for superior strength and performance in 2-stroke engines. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. The elliptical design ensures uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eForged construction for enhanced durability\u003c\/li\u003e \t\u003cli\u003eOptimized heat transfer for improved performance\u003c\/li\u003e \t\u003cli\u003eElliptical design prevents localized pressure and piston collapse\u003c\/li\u003e \t\u003cli\u003eDomed piston design for increased efficiency\u003c\/li\u003e \t\u003cli\u003eSingle-ring configuration for reduced friction and improved performance\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eBore: 66.33 mm\u003c\/li\u003e \t\u003cli\u003ePiston Size: 66.40 mm\u003c\/li\u003e \t\u003cli\u003eDisplacement: 249 cm³\u003c\/li\u003e \t\u003cli\u003eStroke: 72.00 mm\u003c\/li\u003e \t\u003cli\u003eClearance: 0.07 mm\u003c\/li\u003e \t\u003cli\u003eWossner Compression Ratio: 2-stroke\u003c\/li\u003e \t\u003cli\u003eOEM Compression Ratio: 2-stroke\u003c\/li\u003e \t\u003cli\u003eDome Volume: Domed\u003c\/li\u003e \t\u003cli\u003eCompression Height: 38.00 mm\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eLock: CW18\u003c\/li\u003e \t\u003cli\u003ePin: WP033\u003c\/li\u003e \t\u003cli\u003eRing Set: RSB6640 x2\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eTM 250 Cross (1999-)\u003c\/li\u003e \t\u003cli\u003eTM 250 Enduro (1999-)\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":55594703323510,"sku":"REF 56-W021.A.WO","price":157.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/7032\/3318\/files\/stock53222_1.jpg?v=1746770895","url":"https:\/\/n0jgtc-nz.myshopify.com\/products\/ref-56-w021-a-wo","provider":"AW Motorcycle Parts","version":"1.0","type":"link"}