{"product_id":"oro2u-56-w573-050-wo-0aebba08","title":"Piston Kit 88-07 YFS200 66.50, Wossner 8101D050 Yamaha ATV","description":"\u003cp\u003ePiston Kit 88-07 YFS200 66.50, Wossner 8101D050 Yamaha ATV. Find the product specifications and compatibility information below.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProduct: Piston Kit 88-07 YFS200 66.50, Wossner 8101D050 Yamaha ATV\u003c\/li\u003e\n\u003cli\u003ePart number: 56-W573+050.WO\u003c\/li\u003e\n\u003cli\u003eBrand: Wossner\u003c\/li\u003e\n\u003cli\u003eThe Wossner 8101D050 piston kit is engineered for Yamaha YFS200 Blaster models from 1988 to 2006, featuring a 66.50 mm bore for +0.50 mm oversize applications. Produced in Germany from high-strength forged materials, this piston ensures durability and efficient heat transfer. Its elliptical design promotes even load distribution under heat expansion, minimising localised stress and reducing the risk of piston collapse. The kit includes all necessary components for a reliable and precise engine rebuild.\u003c\/li\u003e\n\u003cli\u003eForged piston offers enhanced strength and heat resistance\u003c\/li\u003e\n\u003cli\u003eDesigned for efficient combustion chamber heat dissipation\u003c\/li\u003e\n\u003cli\u003eElliptical profile distributes thrust loads evenly during thermal expansion\u003c\/li\u003e\n\u003cli\u003eReduces localised pressure and risk of piston deformation\u003c\/li\u003e\n\u003cli\u003eManufactured in Germany with high precision\u003c\/li\u003e\n\u003cli\u003eBore Size: 66.50 mm\u003c\/li\u003e\n\u003cli\u003eActual Bore Diameter: 66.44 mm\u003c\/li\u003e\n\u003cli\u003eStroke: 57.00 mm\u003c\/li\u003e\n\u003cli\u003eDisplay Displacement: 199 cm³\u003c\/li\u003e\n\u003cli\u003eClearance: 0.06 mm\u003c\/li\u003e\n\u003cli\u003eCompression Ratio (Wossner and OEM): 2-stroke\u003c\/li\u003e\n\u003cli\u003eCompression Height: 29.90 mm\u003c\/li\u003e\n\u003cli\u003eCross-Reference Wossner Part Numbers\u003c\/li\u003e\n\u003cli\u003ePiston Kit: 8101D050\u003c\/li\u003e\n\u003cli\u003eLock: CW16\u003c\/li\u003e\n\u003cli\u003ePin: WP027\u003c\/li\u003e\n\u003cli\u003eRing Set: RSB6650 (Quantity: 2)\u003c\/li\u003e\n\u003cli\u003eRod: P2030\u003c\/li\u003e\n\u003cli\u003ePart No.: 56-W573+050.WO\u003c\/li\u003e\n\u003cli\u003eVehicle Fitments\u003c\/li\u003e\n\u003cli\u003eYamaha YFS200 Blaster (1988–2006)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eNo separate vehicle-fitment table record was supplied for this part. Check any application details, sizes and specifications above 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":59663904342364,"sku":"56-W573+050.WO","price":113.83,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0866\/6982\/0252\/files\/stock55885_1.jpg?v=1793121473","url":"https:\/\/fdyperformance.com\/products\/oro2u-56-w573-050-wo-0aebba08","provider":"FDY performance Ltd","version":"1.0","type":"link"}