{"product_id":"namura-standard-bore-top-end-rebuild-kit-size-b-for-honda-cr80r-1986-1991-47mm","title":"Namura Standard Bore Top End Rebuild Kit Size B for Honda CR80R 1986-1991 47mm","description":"\u003ch2\u003eNamura Standard Bore Top End Rebuild Kit Size B for Honda CR80R\u003c\/h2\u003e\u003cp\u003eThis top end rebuild kit from Namura is a direct replacement for the stock piston and rings in Honda CR80R dirt bikes from 1986 to 1991, featuring a 47mm standard bore size B.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura Standard Bore Top End Rebuild Kit Size B is designed to restore compression and performance in the Honda CR80R two-stroke engine. This kit includes a precision-machined piston, rings, wrist pin, and circlips for a complete top end rebuild. It is engineered for 1986-1991 models with a 47mm bore, suitable for riders looking to refresh their engine.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStandard bore size B for a precise factory-spec fit\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary components: piston, rings, wrist pin, circlips\u003c\/li\u003e\n\u003cli\u003eManufactured by Namura using high-strength aluminum alloy\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for the Honda CR80R 47mm cylinder\u003c\/li\u003e\n\u003cli\u003eEngineered for 1986-1991 models for guaranteed compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Honda CR80R (1986-1991)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCommonly used for top end rebuilding on Honda CR80R motocross bikes\u003c\/li\u003e\n\u003cli\u003eRestores lost compression and power in aged two-stroke engines\u003c\/li\u003e\n\u003cli\u003eIdeal for competitive riding and recreational trail use\u003c\/li\u003e\n\u003cli\u003eAllows riders to refresh the engine without boring the cylinder\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\u003e47mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard Bore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSize B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHonda CR80R 2-stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1986-1991\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 does \"Standard Bore Size B\" mean? \u003cstrong\u003eA:\u003c\/strong\u003e It indicates the piston dimension within OEM tolerance for a stock cylinder, ensuring a proper fit without the need for boring.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit come with a gasket set? \u003cstrong\u003eA:\u003c\/strong\u003e No, this kit includes piston, rings, wrist pin, and circlips; gaskets are sold separately.\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":44890493452374,"sku":"SZ1F11926","price":138.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_cff66274-d625-42b6-9adc-e64684c42346.jpg?v=1781140703","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-top-end-rebuild-kit-size-b-for-honda-cr80r-1986-1991-47mm","provider":"Solid Spare","version":"1.0","type":"link"}