{"product_id":"2284m06950-060-piston-kit-for-yamaha-ss440-1980-1981-69-50-mm","title":"2284M06950 .060 Piston Kit for Yamaha SS440 1980-1981 69.50 mm","description":"\u003ch2\u003ePiston Kit for Yamaha SS440\u003c\/h2\u003e\u003cp\u003eWiseco Piston Kit with a 69.50 mm bore size (.060 oversize) for Yamaha SS440 snowmobiles, cross-referencing part number 2284M06950, designed to restore top-end compression and engine performance.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco Piston Kit for Yamaha SS440 delivers a 69.50 mm bore size with a .060 oversize fit, restoring compression and performance in your snowmobile engine. Each kit includes a forged piston designed for the 1980-1981 Yamaha SS440. Built to replace worn or damaged top-end components, this piston kit for Yamaha SS440 is suited to riders and mechanics handling a rebuild or top-end refresh.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e69.50 mm bore diameter with .060 oversize fitment for heavily worn cylinders\u003c\/li\u003e\n\u003cli\u003eForged piston construction for strength under high heat and load\u003c\/li\u003e\n\u003cli\u003eCross-references Wiseco part number 2284M06950\u003c\/li\u003e\n\u003cli\u003eDesigned to restore compression and combustion efficiency\u003c\/li\u003e\n\u003cli\u003eKit includes piston and components needed for a top-end rebuild\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha SS440 1980\u003c\/li\u003e\n\u003cli\u003efor Yamaha SS440 1981\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds on 1980-1981 Yamaha SS440 snowmobiles\u003c\/li\u003e\n\u003cli\u003eReplacing scored or worn pistons after engine inspection\u003c\/li\u003e\n\u003cli\u003eRestoring compression in high-mileage engines\u003c\/li\u003e\n\u003cli\u003eRoutine maintenance for vintage Yamaha snowmobile owners\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2284M06950\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e69.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.060\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWiseco\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha SS440 1980-1981\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this piston kit require cylinder boring? \u003cstrong\u003eA:\u003c\/strong\u003e A .060 oversize piston typically requires the cylinder to be bored and honed to match the 69.50 mm diameter for proper clearance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is included in this kit? \u003cstrong\u003eA:\u003c\/strong\u003e This Wiseco piston kit includes the forged piston and related top-end components, though exact contents can vary, so confirm the listing details before ordering.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":51139866361942,"sku":"OO1C22213","price":285.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_39a61c95-4fb3-46c1-befb-9976bdf64e50.jpg?v=1794565699","url":"https:\/\/www.solidspare.com\/products\/2284m06950-060-piston-kit-for-yamaha-ss440-1980-1981-69-50-mm","provider":"Solid Spare","version":"1.0","type":"link"}