{"product_id":"piston-kit-80-82-yz-it465-86-0-wossner-8265d100-yamaha","title":"PISTON KIT 80-82 YZ IT465 86.0, WOSSNER 8265D100 YAMAHA","description":"\u003cp\u003eThis Wossner piston kit features an 86mm bore size (85.92mm actual) and is designed for Yamaha YZ465 (1981–1982) and IT465 (1980–1981) models. Manufactured in Germany, the forged piston is built for strength and efficient thermal performance. The elliptical design evenly distributes thrust loads during heat expansion, reducing localised pressure and minimising the risk of piston collapse.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eForged construction for high durability\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eElliptical profile ensures uniform load distribution under heat\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eDesigned for efficient heat transfer from combustion chamber to cylinder walls\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eManufactured in Germany\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eBore Size: 86mm (85.92mm)\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eDisplay: 465 cm³\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eStroke: 82.00 mm\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eClearance: 0.08 mm\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eCompression Height: 40.00 mm\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eCompression Ratio: 2-stroke (Wossner and OEM)\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003ePiston Kit: 8265D100\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eLock: CW18\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003ePin: WP042\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eRing Set: RSC8600\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003ePart No.: 56-W551_1.00.WO\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eYamaha YZ465 1981\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eYamaha YZ465 1982\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eYamaha IT465 1980\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eYamaha IT465 1981\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"ORO2U","offers":[{"title":"Default Title","offer_id":57161962979701,"sku":"56-W551_1.00.WO","price":228.54,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5011\/6136\/files\/stock55700_1.jpg?v=1778546230","url":"https:\/\/www.smxoffroad.com\/products\/piston-kit-80-82-yz-it465-86-0-wossner-8265d100-yamaha","provider":"SMXOFFROAD Ltd","version":"1.0","type":"link"}