{"product_id":"435m05800-wiseco-piston-kit-080-for-yamaha-yz125-1976-1982-58-00-mm","title":"435M05800 Wiseco Piston Kit .080 for Yamaha YZ125 1976-1982 58.00 mm","description":"\u003ch2\u003eWiseco .080 Piston Kit for Yamaha YZ125\u003c\/h2\u003e\u003cp\u003eThis Wiseco .080 overbore piston kit for Yamaha YZ125 supports 1976 through 1982 models, and with the 435M05800 cross reference and 58.00 mm bore size, it gives worn or bored-out cylinders a fresh top end option.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco .080 Piston Kit for Yamaha YZ125 is an overbore replacement piston for 1976-1982 engines that have been bored beyond standard size. The 58.00 mm diameter matches a .080 overbore, letting riders restore compression on cylinders that need more than a standard piston. The 435M05800 reference helps confirm the piston kit matches the intended YZ125 application.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e.080 overbore size with a 58.00 mm bore diameter\u003c\/li\u003e\n\u003cli\u003eWiseco forged piston construction for high-rpm two-stroke use\u003c\/li\u003e\n\u003cli\u003eKit includes piston, rings, wrist pin, and circlips for a full top end rebuild\u003c\/li\u003e\n\u003cli\u003eDesigned for 1976-1982 Yamaha YZ125 engines\u003c\/li\u003e\n\u003cli\u003e435M05800 part number for accurate cross-referencing\u003c\/li\u003e\n\u003cli\u003ePrecision machining promotes reliable cylinder sealing and compression\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ125 1976\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 1977\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 1978\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 1979\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 1980\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 1981\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 1982\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop end rebuilds on YZ125 engines with a bored-out cylinder\u003c\/li\u003e\n\u003cli\u003eVintage motocross restoration projects for 1976-1982 Yamaha two-strokes\u003c\/li\u003e\n\u003cli\u003eRefreshing compression after cylinder work\u003c\/li\u003e\n\u003cli\u003eRoutine piston and ring service on modified engines\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\u003e435M05800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e58.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.080 Overbore\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\u003efor Yamaha YZ125 1976-1982\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 When should I use a .080 overbore piston kit? \u003cstrong\u003eA:\u003c\/strong\u003e It is intended for cylinders that have been bored to a 58.00 mm size, typically after wear or damage. Confirm your cylinder bore matches before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit fit a stock YZ125 cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e A .080 overbore piston requires the cylinder to be bored to match the 58.00 mm size. Verify your cylinder dimensions and serial number to ensure correct fitment.\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":51140085973078,"sku":"OO1C22533","price":376.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_16219ac2-271d-4b10-93a5-1552c656ad6c.jpg?v=1794565922","url":"https:\/\/www.solidspare.com\/products\/435m05800-wiseco-piston-kit-080-for-yamaha-yz125-1976-1982-58-00-mm","provider":"Solid Spare","version":"1.0","type":"link"}