{"product_id":"222m04750-wiseco-020-piston-kit-47-50-mm-for-yamaha-yz80-ty80-1974-1975","title":"222M04750 Wiseco .020 Piston Kit 47.50 mm for Yamaha YZ80 TY80 1974-1975","description":"\u003ch2\u003ePiston Kit for Yamaha YZ80 \u0026amp; TY80\u003c\/h2\u003e\u003cp\u003eThis Wiseco 222M04750 piston kit is a 47.50 mm oversize piston assembly that restores compression and top-end performance on Yamaha YZ80 and TY80 models from 1974 to 1975, with the 0.020 in. oversize bore for cylinders that need a cleanup.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco piston kit for Yamaha YZ80 and TY80 machines is a 47.50 mm oversize top-end component built to refresh a worn cylinder bore. The 222M04750 kit pairs a forged piston with rings, wrist pin, and circlips so the YZ80 or TY80 top end can be rebuilt in one job. It suits riders and mechanics reviving older two-stroke machines that need a reliable oversize piston kit.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eWiseco forged piston construction for strength under two-stroke combustion loads\u003c\/li\u003e\n\u003cli\u003e0.020 in. oversize 47.50 mm bore size to match a refinished cylinder\u003c\/li\u003e\n\u003cli\u003eKit includes piston, rings, wrist pin, and circlips for a complete top-end refresh\u003c\/li\u003e\n\u003cli\u003eEngineered for the Yamaha YZ80 and TY80 1974 to 1975 applications\u003c\/li\u003e\n\u003cli\u003eOversize sizing restores proper piston-to-cylinder clearance after boring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ80, 1974-1975\u003c\/li\u003e\n\u003cli\u003efor Yamaha TY80, 1974-1975\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds on vintage YZ80 motocross bikes\u003c\/li\u003e\n\u003cli\u003eTY80 trials machine engine refresh and restoration projects\u003c\/li\u003e\n\u003cli\u003eCylinder rebore jobs that require an oversize piston\u003c\/li\u003e\n\u003cli\u003eWorkshop repairs where compression has dropped from piston wear\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\u003e222M04750\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.020 in.\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\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston kit\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 fit a standard bore cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is a 47.50 mm oversize piston, so the cylinder must be bored and honed to match before installation. Check your current bore size and piston clearance spec first.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is included in the kit? \u003cstrong\u003eA:\u003c\/strong\u003e The kit includes the piston along with rings, wrist pin, and circlips for a complete top-end assembly. Verify all components against your machine before assembly.\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":51140023681110,"sku":"OO1C22452","price":274.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_4df230b1-7d3f-4c1f-9345-39a63af4ce97.jpg?v=1794565857","url":"https:\/\/www.solidspare.com\/products\/222m04750-wiseco-020-piston-kit-47-50-mm-for-yamaha-yz80-ty80-1974-1975","provider":"Solid Spare","version":"1.0","type":"link"}