{"product_id":"236m05650-wiseco-020-piston-kit-for-yamaha-tri-moto-125-1980-1985-56-50-mm","title":"236M05650 Wiseco .020 Piston Kit for Yamaha Tri-Moto 125 1980-1985 56.50 mm","description":"\u003ch2\u003e.020 Piston Kit for Yamaha Tri-Moto 125\u003c\/h2\u003e\u003cp\u003eThis .020 oversize piston kit for Yamaha Tri-Moto 125 models is a Wiseco 236M05650 piston set at 56.50 mm, engineered to restore compression and top-end power after a cylinder bore.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco .020 piston kit for Yamaha Tri-Moto 125 machines is built for riders refreshing a worn or scored top end. The 56.50 mm oversize piston for Yamaha Tri-Moto 125 engines pairs with a fresh bore to bring compression and throttle response back to spec. It suits DIY rebuilders and shops handling 1980-1985 three-wheeler top-end work.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eWiseco 236M05650 piston sized at 56.50 mm, a .020 inch oversize from the stock 56.00 mm bore\u003c\/li\u003e\n\u003cli\u003eForged construction for strength under the heat and load of a two-stroke top end\u003c\/li\u003e\n\u003cli\u003ePrecision ring grooves and skirt profile matched to the piston for consistent sealing\u003c\/li\u003e\n\u003cli\u003eDesigned for use after the cylinder is bored and honed to the matching oversize\u003c\/li\u003e\n\u003cli\u003ePiston kit format supplies the piston and rings needed for a top-end refresh\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha Tri-Moto 125, 1980-1985\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds on 1980-1985 Yamaha Tri-Moto 125 three-wheelers\u003c\/li\u003e\n\u003cli\u003eCylinder boring jobs that require a .020 oversize piston to clean up wear\u003c\/li\u003e\n\u003cli\u003eRestoring lost compression on tired engines before a riding season\u003c\/li\u003e\n\u003cli\u003eShop work on vintage Yamaha 125 top ends where an exact oversize bore is needed\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\u003e236M05650\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e56.50 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.020 inch over stock\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\u003eMachine Fitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha Tri-Moto 125, 1980-1985\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 drop into a stock cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, a .020 oversize piston requires the cylinder to be bored and honed to the matching 56.50 mm bore first. Confirm the final bore size with your machinist before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will I need anything else for the rebuild? \u003cstrong\u003eA:\u003c\/strong\u003e A top-end rebuild typically also calls for a gasket set, wrist pin, and bearing in addition to this piston kit. Check your engine's condition before finalizing parts.\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":51139883171926,"sku":"OO1C22252","price":323.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_148389ef-fcb3-41ee-969e-905c1e9a0e38.jpg?v=1794565709","url":"https:\/\/www.solidspare.com\/products\/236m05650-wiseco-020-piston-kit-for-yamaha-tri-moto-125-1980-1985-56-50-mm","provider":"Solid Spare","version":"1.0","type":"link"}