{"product_id":"namura-standard-bore-top-end-rebuild-kit-for-yamaha-big-bear-250-2007-2009-71mm","title":"Namura Standard Bore Top End Rebuild Kit for Yamaha Big Bear 250 2007-2009 71mm","description":"\u003ch2\u003eStandard Bore Top End Rebuild Kit for Yamaha\u003c\/h2\u003e\u003cp\u003eThe Standard Bore Top End Rebuild Kit provides all components needed to rebuild the top end of a Yamaha Big Bear 250 ATV, including piston, rings, wrist pin, and gaskets designed for 2007-2009 models with a standard 71mm bore.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Standard Bore Top End Rebuild Kit for Yamaha is a comprehensive set of parts for rebuilding the top end of Big Bear 250 engines. It contains a precision piston, rings, pin, and gaskets to replace worn components. This kit is intended for 2007-2009 models with a standard 71mm bore to bring back full engine power.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined piston for accurate fit in 71mm bore\u003c\/li\u003e\n\u003cli\u003eHigh-quality piston rings for optimal compression\u003c\/li\u003e\n\u003cli\u003eIncludes head, base, and exhaust gaskets for a complete seal\u003c\/li\u003e\n\u003cli\u003eWrist pin with clips for secure installation\u003c\/li\u003e\n\u003cli\u003eDesigned to meet OEM specifications for reliable operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha Big Bear 250 (2007-2009)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRebuilding top end after loss of compression or power\u003c\/li\u003e\n\u003cli\u003eRestoring performance on trail and utility ATVs\u003c\/li\u003e\n\u003cli\u003eReplacing worn piston and rings during engine overhaul\u003c\/li\u003e\n\u003cli\u003ePreparing engine for heavy-duty use on farms or hunting grounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNamura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha Big Bear 250 (2007-2009)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard (71mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e71mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, Rings, Wrist Pin, 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 Will this fit my 2008 Big Bear 250? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, this kit fits 2007-2009 Yamaha Big Bear 250 models with standard 71mm bore. Always verify your current bore size before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does the kit include a cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is a top end rebuild kit containing piston, rings, pin, and gaskets; the cylinder is reused if in acceptable condition.\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":44890904166486,"sku":"SZ1F13508","price":175.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_0611f08f-1d58-4a63-b2b5-ee5b7cbd72d7.jpg?v=1781144211","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-top-end-rebuild-kit-for-yamaha-big-bear-250-2007-2009-71mm","provider":"Solid Spare","version":"1.0","type":"link"}