{"product_id":"namura-020-over-bore-top-end-kit-for-honda-sportrax-250-trx250ex-trx250x-69mm","title":"Namura .020 Over Bore Top End Kit for Honda Sportrax 250 TRX250EX TRX250X 69mm","description":"\u003ch2\u003eTop End Kit for Honda Sportrax 250\u003c\/h2\u003e\u003cp\u003eThis .020 over bore top end kit for Honda Sportrax 250 provides a complete piston, rings, wrist pin, and gasket set to rebuild the cylinder on TRX250EX and TRX250X models. The 69mm piston delivers increased displacement and restored compression for this top end kit.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis .020 over bore top end kit is designed for Honda Sportrax 250 ATVs and includes a 69mm piston, rings, wrist pin, circlips, and a full gasket set. It replaces worn top end components to restore engine performance in compatible TRX250EX and TRX250X models. The kit uses precision-machined parts to ensure a proper fit and reliable operation.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e.020 inch oversize bore increases displacement for more power\u003c\/li\u003e\n\u003cli\u003e69mm piston is cast from high-strength aluminum alloy\u003c\/li\u003e\n\u003cli\u003eIncludes moly-coated piston rings for reduced friction\u003c\/li\u003e\n\u003cli\u003eComplete gasket set ensures a leak-free seal\u003c\/li\u003e\n\u003cli\u003eWrist pin and circlips supplied for easy installation\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to OEM specifications for reliable fit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Honda Sportrax 250\u003c\/li\u003e\n\u003cli\u003efor Honda TRX250EX\u003c\/li\u003e\n\u003cli\u003efor Honda TRX250X\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRestores lost compression and power on high-mileage engines\u003c\/li\u003e\n\u003cli\u003eIdeal for trail riding, racing, and recreational ATV use\u003c\/li\u003e\n\u003cli\u003eReplaces worn piston, rings, and gaskets in one complete kit\u003c\/li\u003e\n\u003cli\u003eEnsures reliable startup and smooth throttle response\u003c\/li\u003e\n\u003cli\u003eSupports .020 over bore cylinder machining for a fresh rebuild\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e69mm\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\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, gasket set\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 What is included in this top end kit? \u003cstrong\u003eA:\u003c\/strong\u003e The kit contains a 69mm piston, piston rings, wrist pin, circlips, and a complete gasket set for a full top end rebuild.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I use this kit with a standard cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, this .020 over bore kit requires the cylinder to be bored to the corresponding oversize by a qualified machinist.\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":44949743992918,"sku":"SZ1F13837","price":186.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_756d1ceb-66f0-4f9d-b582-bd1fcc723cc7.jpg?v=1781397719","url":"https:\/\/www.solidspare.com\/products\/namura-020-over-bore-top-end-kit-for-honda-sportrax-250-trx250ex-trx250x-69mm","provider":"Solid Spare","version":"1.0","type":"link"}