{"product_id":"617m06640-wiseco-std-piston-kit-66-40-mm-for-kawasaki-kx250-1992-2001","title":"617M06640 Wiseco Std Piston Kit 66.40 mm for Kawasaki KX250 1992-2001","description":"\u003ch2\u003ePiston Kit for Kawasaki KX250\u003c\/h2\u003e\u003cp\u003eThis Wiseco standard bore piston kit for Kawasaki KX250 keeps the stock 66.40 mm bore size, cross-referenced under part number 617M06640, and restores compression and top-end power.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco piston kit for Kawasaki KX250 is a standard bore top-end component sized at 66.40 mm and identified by part number 617M06640. It replaces a worn piston and ring assembly at the original bore, helping bring back lost compression and throttle response. It fits riders and mechanics servicing a 1992-2001 KX250 without overboring the cylinder.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStandard bore sizing at 66.40 mm to match the stock cylinder\u003c\/li\u003e\n\u003cli\u003eForged piston construction for strength under high-rpm loads\u003c\/li\u003e\n\u003cli\u003eKit includes piston, rings, wrist pin, and circlips\u003c\/li\u003e\n\u003cli\u003eMachined ring grooves for consistent ring seal and compression\u003c\/li\u003e\n\u003cli\u003eCross-referenced under part number 617M06640\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Kawasaki KX250 1992\u003c\/li\u003e\n\u003cli\u003efor Kawasaki KX250 1993\u003c\/li\u003e\n\u003cli\u003efor Kawasaki KX250 1994\u003c\/li\u003e\n\u003cli\u003efor Kawasaki KX250 1995\u003c\/li\u003e\n\u003cli\u003efor Kawasaki KX250 1996\u003c\/li\u003e\n\u003cli\u003efor Kawasaki KX250 1997\u003c\/li\u003e\n\u003cli\u003efor Kawasaki KX250 1998\u003c\/li\u003e\n\u003cli\u003efor Kawasaki KX250 1999\u003c\/li\u003e\n\u003cli\u003efor Kawasaki KX250 2000\u003c\/li\u003e\n\u003cli\u003efor Kawasaki KX250 2001\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds at the original bore size\u003c\/li\u003e\n\u003cli\u003eMotocross and off-road race engine refresh\u003c\/li\u003e\n\u003cli\u003eTrail and practice bike maintenance\u003c\/li\u003e\n\u003cli\u003eRestoring compression on a high-hour engine\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\u003e617M06640\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e66.40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMachine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Kawasaki KX250 1992-2001\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 Can I install this without boring my cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, this standard bore piston is sized at 66.40 mm to match the original cylinder, though the bore should be checked and honed for proper clearance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What comes in the kit? \u003cstrong\u003eA:\u003c\/strong\u003e The kit typically includes the piston, piston rings, wrist pin, and circlips needed for a complete top-end replacement.\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":51140499603542,"sku":"OO1C22905","price":439.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_217e7e2c-db19-46b2-bc49-ec174aba5163.jpg?v=1794566161","url":"https:\/\/www.solidspare.com\/products\/617m06640-wiseco-std-piston-kit-66-40-mm-for-kawasaki-kx250-1992-2001","provider":"Solid Spare","version":"1.0","type":"link"}