{"product_id":"844m06640-wiseco-std-single-ring-piston-kit-for-kawasaki-kx250-2005-2008-66-40mm","title":"844M06640 Wiseco Std Single Ring Piston Kit for Kawasaki KX250 2005-2008 66.40mm","description":"\u003ch2\u003eWiseco Std Single Ring Piston Kit for Kawasaki KX250\u003c\/h2\u003e\u003cp\u003eThis Wiseco standard single ring piston kit for Kawasaki KX250 provides a 66.40 mm bore replacement top end, cross referenced to 844M06640.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco standard single ring piston kit for Kawasaki KX250 is built for riders who need a reliable top end refresh on their two stroke engine. The 66.40 mm standard bore and single ring design reduce friction while maintaining strong compression for race use. It is intended for motocross and off road riders maintaining a KX250 in stock displacement.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e66.40 mm standard bore sizing matches the stock cylinder for a direct fit\u003c\/li\u003e\n\u003cli\u003eSingle ring design reduces friction for quicker rev response\u003c\/li\u003e\n\u003cli\u003eWiseco forged piston construction for durability under high heat and load\u003c\/li\u003e\n\u003cli\u003eKit includes piston, ring, wrist pin, and circlips for a complete top end job\u003c\/li\u003e\n\u003cli\u003ePrecision machined for consistent ring seal and compression\u003c\/li\u003e\n\u003cli\u003eCross referenced to part number 844M06640 for easy verification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Kawasaki KX250 2005\u003c\/li\u003e\n\u003cli\u003efor Kawasaki KX250 2006\u003c\/li\u003e\n\u003cli\u003efor Kawasaki KX250 2007\u003c\/li\u003e\n\u003cli\u003efor Kawasaki KX250 2008\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTwo stroke top end rebuilds at regular service intervals\u003c\/li\u003e\n\u003cli\u003eMotocross racing where quick throttle response matters\u003c\/li\u003e\n\u003cli\u003eTrail and off road riding with stock displacement engines\u003c\/li\u003e\n\u003cli\u003eRestoring compression on high hour KX250 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\u003e844M06640\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\u003eRing Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard\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\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How often should a single ring piston be replaced? \u003cstrong\u003eA:\u003c\/strong\u003e Single ring pistons are typically serviced more frequently than multi ring designs, often based on hours of use. Check ring end gap and piston skirt wear at each interval.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit require cylinder work before installation? \u003cstrong\u003eA:\u003c\/strong\u003e This is a standard bore piston, so it suits a cylinder still within factory specification. Measure the bore and check plating condition before 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":51140478009430,"sku":"OO1C22845","price":461.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_21657703-1329-4963-91fd-16ec3d5ded5f.jpg?v=1794566111","url":"https:\/\/www.solidspare.com\/products\/844m06640-wiseco-std-single-ring-piston-kit-for-kawasaki-kx250-2005-2008-66-40mm","provider":"Solid Spare","version":"1.0","type":"link"}