{"product_id":"549m07650-wiseco-020-piston-kit-for-kawasaki-js650-650sx-1986-1995-76-50-mm","title":"549M07650 Wiseco .020 Piston Kit for Kawasaki JS650 650SX 1986-1995 76.50 mm","description":"\u003ch2\u003ePiston Kit for Kawasaki JS650 650SX\u003c\/h2\u003e\u003cp\u003eThis Wiseco .020 overbore piston kit for Kawasaki JS650 650SX personal watercraft restores compression with a 76.50 mm bore, referenced under Wiseco part 549M07650.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis piston kit is a rebuild component for the Kawasaki JS650 650SX engine, sized at .020 overbore to bring worn cylinders back to spec. The 76.50 mm piston kit includes the piston, rings, wrist pin, and circlips needed for a top-end refresh. It suits riders and mechanics rebuilding a 650cc two-stroke for reliable season-after-season performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e.020 overbore sizing at 76.50 mm for worn or previously honed cylinders\u003c\/li\u003e\n\u003cli\u003eWiseco part 549M07650 stamped for this application\u003c\/li\u003e\n\u003cli\u003ePiston, rings, wrist pin, and circlips supplied as a complete kit\u003c\/li\u003e\n\u003cli\u003eForged piston construction for high-rpm two-stroke use\u003c\/li\u003e\n\u003cli\u003eDesigned to match the Kawasaki JS650 650SX top end\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Kawasaki JS650 650SX 1986-1995\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds after a seized or scored piston\u003c\/li\u003e\n\u003cli\u003eRoutine freshening of a high-hour 650cc engine\u003c\/li\u003e\n\u003cli\u003eBore-and-hone service where an overbore is required\u003c\/li\u003e\n\u003cli\u003eRestoring compression on a tired stand-up ski\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\u003e549M07650\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e76.50 mm (.020 overbore)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Kawasaki JS650 650SX 1986-1995\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, rings, wrist pin, circlips\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 kit require boring the cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, a .020 overbore piston means the cylinder must be bored and honed to match the 76.50 mm size before assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this piston be installed without checking ring end gap? \u003cstrong\u003eA:\u003c\/strong\u003e No, ring end gap should always be measured and set per the manufacturer specification before final 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":51139772350550,"sku":"OO1C22066","price":351.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_746d7375-8c36-4c1e-9dbb-f148cb91be98.jpg?v=1794565617","url":"https:\/\/www.solidspare.com\/products\/549m07650-wiseco-020-piston-kit-for-kawasaki-js650-650sx-1986-1995-76-50-mm","provider":"Solid Spare","version":"1.0","type":"link"}