{"product_id":"oro2u-56-w4903-100-wo-8707d32c","title":"Piston Kit 06-11 YFM700 Hc 103, Wossner 8673D100 Raptor","description":"\u003cp\u003ePiston Kit 06-11 YFM700 Hc 103, Wossner 8673D100 Raptor. Find the product specifications and compatibility information below.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProduct: Piston Kit 06-11 YFM700 Hc 103, Wossner 8673D100 Raptor\u003c\/li\u003e\n\u003cli\u003ePart number: 56-W4903+100.WO\u003c\/li\u003e\n\u003cli\u003eBrand: Wossner\u003c\/li\u003e\n\u003cli\u003eThe Wossner 8673D100 forged piston kit features a 103.00mm bore and is designed for high-compression applications in Yamaha YFM700 Raptor ATVs from 2006 to 2016. Precision-engineered in Germany, this piston enhances strength, heat dissipation, and durability, while its elliptical shape ensures even load distribution and resistance to collapse under thermal expansion.\u003c\/li\u003e\n\u003cli\u003eForged high-compression piston for increased performance and strength\u003c\/li\u003e\n\u003cli\u003eDesigned for effective heat transfer from combustion chamber to cylinder walls\u003c\/li\u003e\n\u003cli\u003eElliptical design provides uniform bearing surface under heat expansion\u003c\/li\u003e\n\u003cli\u003eReduces localized pressure and prevents piston collapse\u003c\/li\u003e\n\u003cli\u003eManufactured in Germany\u003c\/li\u003e\n\u003cli\u003eBore: 103.00 mm\u003c\/li\u003e\n\u003cli\u003eActual Bore Diameter: 102.94 mm\u003c\/li\u003e\n\u003cli\u003eDisplay: 686 cm³\u003c\/li\u003e\n\u003cli\u003eHub Stroke: 84.00 mm\u003c\/li\u003e\n\u003cli\u003eClearance: 0.06 mm\u003c\/li\u003e\n\u003cli\u003eCompression Height: 27.50 mm\u003c\/li\u003e\n\u003cli\u003eDome Volume: +7.10 cm³\u003c\/li\u003e\n\u003cli\u003eWossner Compression Ratio: 11.00:1\u003c\/li\u003e\n\u003cli\u003eOEM Compression Ratio: 9.20:1\u003c\/li\u003e\n\u003cli\u003eTheoretical Weight: Not specified\u003c\/li\u003e\n\u003cli\u003eCross-Reference OEM Part Numbers\u003c\/li\u003e\n\u003cli\u003ePiston: 8673D100\u003c\/li\u003e\n\u003cli\u003eLock: CW23\u003c\/li\u003e\n\u003cli\u003ePin: WP024\u003c\/li\u003e\n\u003cli\u003eRing Set: 1030XSU\u003c\/li\u003e\n\u003cli\u003eRod: P4031\u003c\/li\u003e\n\u003cli\u003ePart No.: 56-W4903+100.WO\u003c\/li\u003e\n\u003cli\u003eVehicle Fitments\u003c\/li\u003e\n\u003cli\u003eYamaha YFM700 Raptor 2006–2016\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":59663797977436,"sku":"56-W4903+100.WO","price":221.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0866\/6982\/0252\/files\/stock55283_1.jpg?v=1793120702","url":"https:\/\/fdyperformance.com\/products\/oro2u-56-w4903-100-wo-8707d32c","provider":"FDY performance Ltd","version":"1.0","type":"link"}