{"product_id":"namura-040-over-bore-piston-kit-for-polaris-xplorer-250-4x4-fits-2000-2002-73mm","title":"Namura .040 Over Bore Piston Kit for Polaris Xplorer 250 4x4 fits 2000-2002 73mm","description":"\u003ch2\u003eNamura .040 Over Bore Piston Kit for Polaris\u003c\/h2\u003e\u003cp\u003eThis .040 over bore piston kit replaces the original pistons in Polaris Xplorer 250 4x4 ATVs from 2000 to 2002, restoring compression and performance.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .040 over bore piston kit is a direct replacement for Polaris Xplorer 250 4x4 engines requiring a 73mm bore after a .040 overbore. It includes the piston, rings, and wrist pin for a complete rebuild. This kit is designed for owners of 2000-2002 Polaris Xplorer 250 4x4 models seeking reliable engine restoration.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eManufactured from high-silicon aluminum alloy for reduced expansion and longer life\u003c\/li\u003e\n\u003cli\u003ePrecision-machined rings ensure consistent compression and oil control\u003c\/li\u003e\n\u003cli\u003eHeat-treated wrist pin withstands high load and RPM conditions\u003c\/li\u003e\n\u003cli\u003e.040 over bore size provides a fresh surface for worn cylinders\u003c\/li\u003e\n\u003cli\u003eDirect-fit design eliminates need for modification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Polaris Xplorer 250 4x4 2000\u003c\/li\u003e\n\u003cli\u003efor Polaris Xplorer 250 4x4 2001\u003c\/li\u003e\n\u003cli\u003efor Polaris Xplorer 250 4x4 2002\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eATV trail riding and utility work requiring reliable engine power\u003c\/li\u003e\n\u003cli\u003eEngine rebuilds after top-end wear or piston failure\u003c\/li\u003e\n\u003cli\u003ePerformance restoration for recreational off-road use\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 Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e73mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.040 over\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-silicon aluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, rings, wrist pin\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 piston kit work with a standard 73mm cylinder bore? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is a .040 over bore piston and requires the cylinder to be bored to 73mm – it will not fit a standard bore cylinder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I reuse the old rings with this piston? \u003cstrong\u003eA:\u003c\/strong\u003e It is strongly recommended to use the included new rings to ensure proper sealing and avoid premature wear.\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":44890489454678,"sku":"SZ1F11830","price":136.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_f0b8f4cb-ac2f-4100-9c8b-ee42a06d5372.jpg?v=1781140572","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-piston-kit-for-polaris-xplorer-250-4x4-fits-2000-2002-73mm","provider":"Solid Spare","version":"1.0","type":"link"}