{"product_id":"namura-040-over-bore-top-end-kit-for-honda-trx450r-sportrax-450r-2004-2005-95mm","title":"Namura .040 Over Bore Top End Kit for Honda TRX450R Sportrax 450R 2004-2005 95mm","description":"\u003ch2\u003eNamura .040 Over Bore Top End Kit for Honda TRX450R\u003c\/h2\u003e\u003cp\u003eThis top end kit from Namura is a complete .040 over bore cylinder and piston set for the Honda TRX450R Sportrax, designed to restore or increase engine displacement to 95mm. It includes piston, rings, wrist pin, and gaskets for a reliable rebuild of 2004-2005 450R models.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .040 Over Bore Top End Kit delivers a precision-machined cylinder and forged piston for the Honda TRX450R, boosting displacement to 95cc and refreshing worn top-end components. Riders rebuilding their Sportrax 450R will find this kit combines quality materials with exacting tolerances for improved performance and durability.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e.040 over bore increases displacement to 95mm for added power\u003c\/li\u003e\n\u003cli\u003eForged aluminum piston offers high strength and heat resistance\u003c\/li\u003e\n\u003cli\u003eChrome-plated cylinder bore reduces wear and improves ring seal\u003c\/li\u003e\n\u003cli\u003eIncludes premium ring set, wrist pin, and circlips for complete installation\u003c\/li\u003e\n\u003cli\u003eMatching head gasket and base gasket ensure proper sealing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Honda TRX450R Sportrax 450R (2004-2005)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUsed for full top-end rebuilds on high-mileage or worn 450R engines\u003c\/li\u003e\n\u003cli\u003eApplied in motocross, trail riding, and desert racing applications\u003c\/li\u003e\n\u003cli\u003eSuitable for racers seeking a reliable overbore for increased displacement\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\u003e.040 over (95mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForged aluminum piston\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHonda TRX450R Sportrax 2004-2005\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, gaskets\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 Is the cylinder sleeve included? \u003cstrong\u003eA:\u003c\/strong\u003e The kit includes a plated cylinder; no separate sleeve is needed as the bore is machined directly into the cylinder casting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to replace the connecting rod? \u003cstrong\u003eA:\u003c\/strong\u003e This kit is a top-end rebuild; the connecting rod can be reused if in good condition, but it's recommended to inspect and replace if worn.\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":44949764407382,"sku":"SZ1F14374","price":208.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_9a2492b7-64c7-4c3d-900d-7db8eeb9a7a5.jpg?v=1781398373","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-top-end-kit-for-honda-trx450r-sportrax-450r-2004-2005-95mm","provider":"Solid Spare","version":"1.0","type":"link"}