{"product_id":"477m04800-wiseco-040-oversize-piston-kit-48-00mm-for-yamaha-yz80-1982-1983","title":"477M04800 Wiseco .040 Oversize Piston Kit 48.00mm for Yamaha YZ80 1982-1983","description":"\u003ch2\u003ePiston Kit for Yamaha YZ80\u003c\/h2\u003e\u003cp\u003eThis Wiseco .040 piston kit is a 48.00 mm oversize piston assembly for Yamaha YZ80 models, built to renew compression and top-end power. It cross-references 477M04800 for accurate replacement matching.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco .040 piston kit provides a 48.00 mm oversize piston for Yamaha YZ80 engines that need a top-end rebuild. The Wiseco .040 piston kit uses forged construction for durability at high rpm. It fits builds where the cylinder has been bored .040 over stock.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged piston construction for strength under high-rpm use\u003c\/li\u003e\n\u003cli\u003e.040 oversize at 48.00 mm to match a rebored cylinder\u003c\/li\u003e\n\u003cli\u003eDesigned as a direct replacement for the 477M04800 reference\u003c\/li\u003e\n\u003cli\u003eSuited to two-stroke top-end rebuilds\u003c\/li\u003e\n\u003cli\u003ePrecision machined for consistent ring seal and compression\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ80 1982\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ80 1983\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds after cylinder boring\u003c\/li\u003e\n\u003cli\u003eMotocross and trail riding maintenance\u003c\/li\u003e\n\u003cli\u003eRestoring compression on worn two-stroke engines\u003c\/li\u003e\n\u003cli\u003eRace prep and engine refresh projects\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\u003e477M04800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48.00 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.040\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\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this fit a stock cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e This piston is .040 oversize and requires the cylinder to be bored to match 48.00 mm. Confirm the current bore size before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this a complete top-end kit? \u003cstrong\u003eA:\u003c\/strong\u003e This listing covers the piston kit as described. Check whether gaskets, rings, or pins are included before purchase.\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":51140020830294,"sku":"OO1C22443","price":281.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_7125739d-1134-4285-b29b-7dd5a1820cc8.jpg?v=1794565834","url":"https:\/\/www.solidspare.com\/products\/477m04800-wiseco-040-oversize-piston-kit-48-00mm-for-yamaha-yz80-1982-1983","provider":"Solid Spare","version":"1.0","type":"link"}