{"product_id":"namura-standard-bore-size-a-piston-kit-for-honda-many-crf250r-crf250x-78mm","title":"Namura Standard Bore Size A Piston Kit for Honda many CRF250R \u0026 CRF250X 78mm","description":"\u003ch2\u003eNamura Standard Bore Size A Piston Kit for Honda\u003c\/h2\u003e\u003cp\u003eThis Namura standard bore size A piston kit for Honda CRF250R and CRF250X motorcycles is an aftermarket replacement designed to restore compression and performance in 250cc four-stroke engines. It offers a reliable alternative to OEM parts, with precision engineering for a direct fit in compatible Honda models.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eBuilt for Honda CRF250R and CRF250X dirt bikes, the Namura standard bore size A piston kit provides a drop-in replacement for the original piston when rebuilding the top end. It helps restore lost power, improve throttle response, and extend engine life for off-road and motocross applications. This kit is crafted to meet factory specifications, ensuring dependable operation in demanding riding conditions.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStandard bore size A configuration for direct replacement without cylinder boring\u003c\/li\u003e\n\u003cli\u003eHigh-strength aluminum alloy construction for reduced weight and heat dissipation\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves and pin bore for consistent sealing\u003c\/li\u003e\n\u003cli\u003eIncludes piston, rings, wrist pin, and circlips for a complete rebuild solution\u003c\/li\u003e\n\u003cli\u003eEngineered to match OEM compression ratio and clearance tolerances\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Honda CRF250R\u003c\/li\u003e\n\u003cli\u003efor Honda CRF250X\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRebuilding top ends on Honda CRF250R motocross bikes after racing wear\u003c\/li\u003e\n\u003cli\u003eRestoring compression on CRF250X trail bikes for consistent off-road performance\u003c\/li\u003e\n\u003cli\u003eReplacing worn pistons during scheduled engine maintenance or after piston failure\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\u003eStandard (Size A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNamura Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHonda CRF250R \/ CRF250X\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 this piston kit compatible with both CRF250R and CRF250X models? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is designed for both models, but always confirm your engine’s specific year and serial number to ensure correct bore size and pin height.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does the kit come with installation instructions? \u003cstrong\u003eA:\u003c\/strong\u003e The kit includes the components but not detailed instructions; professional installation is recommended to achieve proper ring gap and clearance.\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":44949776138326,"sku":"SZ1F14719","price":230.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_3a8eb2d9-101f-4f43-8fa3-6fe880feb328.jpg?v=1781398801","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-size-a-piston-kit-for-honda-many-crf250r-crf250x-78mm","provider":"Solid Spare","version":"1.0","type":"link"}