{"product_id":"236m05650-piston-kit-for-yamaha-at2-at3-125-1972-1973-wiseco-020-56-50-mm","title":"236M05650 Piston Kit for Yamaha AT2 AT3 125 1972-1973 Wiseco .020 56.50 mm","description":"\u003ch2\u003eWiseco .020 Piston Kit for Yamaha AT2 and AT3 125\u003c\/h2\u003e\u003cp\u003eThis Wiseco .020 overbore piston kit restores top end compression for the Yamaha AT2 and AT3 125, featuring the 236M05650 piston at 56.50 mm. The kit delivers a proven forged replacement for worn original pistons, giving the 1972 to 1973 single cylinder engine the fresh bore it needs to run strong.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco .020 piston kit is the overbore solution for rebuilding the top end of a Yamaha AT2 or AT3 125 from 1972 to 1973. The 56.50 mm forged piston replaces the stock bore size once the cylinder has been honed or bored for a clean, true surface. Riders, restorers, and small engine shops choose this kit to bring tired 125cc two strokes back to reliable running condition.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged piston construction for strength under high rpm two stroke loads\u003c\/li\u003e\n\u003cli\u003e.020 inch overbore size of 56.50 mm for use on a refinished cylinder\u003c\/li\u003e\n\u003cli\u003eDesigned to work with the matching 236M05650 Wiseco piston profile\u003c\/li\u003e\n\u003cli\u003eSuited to the 1972 to 1973 Yamaha AT2 and AT3 125 engine family\u003c\/li\u003e\n\u003cli\u003eProvides a fresh sealing surface for the ring and cylinder wall\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha AT2 125 (1972 to 1973)\u003c\/li\u003e\n\u003cli\u003efor Yamaha AT3 125 (1972 to 1973)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop end rebuilds on vintage trail and enduro motorcycles\u003c\/li\u003e\n\u003cli\u003eBore and hone service work in a small engine shop\u003c\/li\u003e\n\u003cli\u003eRestoration projects returning a classic 125 to running order\u003c\/li\u003e\n\u003cli\u003eRoutine maintenance once compression begins to drop\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 Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e56.50 mm (.020 overbore)\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 AT2 and AT3 125, 1972 to 1973\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForged, overbore replacement\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 the stock cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, the .020 overbore size requires the cylinder to be bored and honed to match before installation for proper clearance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Should I measure my bore before ordering? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, confirm your existing cylinder size and piston clearance so that 56.50 mm is the correct oversize for your engine.\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":51140188635222,"sku":"OO1C22666","price":323.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_9f314642-ff17-4fed-966b-ae7a0852c49f.jpg?v=1794566017","url":"https:\/\/www.solidspare.com\/products\/236m05650-piston-kit-for-yamaha-at2-at3-125-1972-1973-wiseco-020-56-50-mm","provider":"Solid Spare","version":"1.0","type":"link"}