{"product_id":"namura-020-over-bore-piston-kit-for-yamaha-big-bear-250-2007-2008-2009-71-5mm","title":"Namura .020 Over Bore Piston Kit for Yamaha Big Bear 250 2007 2008 2009 71.5mm","description":"\u003ch2\u003eNamura .020 Over Bore Piston Kit for Yamaha Big Bear 250\u003c\/h2\u003e\u003cp\u003eThis .020 over bore piston kit is a direct replacement for the original piston in Yamaha Big Bear 250 engines, restoring compression and performance.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .020 over bore piston kit is designed for Yamaha Big Bear 250 ATVs from 2007 to 2009. This piston kit increases displacement slightly while refreshing worn cylinder components. It is an ideal choice for rebuilding your Big Bear 250 engine with a reliable piston kit.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOversized 71.5mm piston for increased displacement\u003c\/li\u003e\n\u003cli\u003e.020 over bore for a tighter fit and improved compression\u003c\/li\u003e\n\u003cli\u003ePrecision-machined from high-silicon aluminum alloy\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings and wrist pin\u003c\/li\u003e\n\u003cli\u003eEngineered to meet OEM specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha Big Bear 250 2007\u003c\/li\u003e\n\u003cli\u003efor Yamaha Big Bear 250 2008\u003c\/li\u003e\n\u003cli\u003efor Yamaha Big Bear 250 2009\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTrail riding\u003c\/li\u003e\n\u003cli\u003eUtility work on farms and ranches\u003c\/li\u003e\n\u003cli\u003eHunting and outdoor recreation\u003c\/li\u003e\n\u003cli\u003eRestoring engine power in older ATVs\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\u003e71.5mm\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMake\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBig Bear 250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2007-2009\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 Does this piston kit come with rings? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit includes piston rings and wrist pin for a complete installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is a rebore required for this oversize piston? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the cylinder must be bored to .020 oversize to accommodate the 71.5mm piston.\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":44890493911126,"sku":"SZ1F11935","price":138.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_f41a7f01-8662-4bbc-9a68-05df6a4fbdc8.jpg?v=1781140714","url":"https:\/\/www.solidspare.com\/products\/namura-020-over-bore-piston-kit-for-yamaha-big-bear-250-2007-2008-2009-71-5mm","provider":"Solid Spare","version":"1.0","type":"link"}