{"product_id":"namura-040-over-bore-top-end-repair-kit-fits-polaris-250-2-stroke-atv-s-73mm","title":"Namura .040 Over Bore Top End Repair Kit fits Polaris 250 2-Stroke ATV's 73mm","description":"\u003ch2\u003e.040 Over Bore Top End Repair Kit for Polaris\u003c\/h2\u003e\u003cp\u003eThis .040 over bore top end repair kit is designed to rebuild the cylinder of Polaris 250 2-stroke ATV engines with a 73mm bore. It provides the necessary parts for a complete top end overhaul on these utility machines.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis .040 over bore top end repair kit is a complete set for rebuilding the upper cylinder of Polaris 250 2-stroke ATVs. The 73mm piston, rings, pin, and gaskets allow you to refresh a worn or damaged cylinder. It restores compression and power for continued off-road use.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e73mm .040 over bore piston for increased displacement\u003c\/li\u003e\n\u003cli\u003eIncludes high-strength rings for reliable sealing\u003c\/li\u003e\n\u003cli\u003eKit contains cylinder base gasket and head gasket\u003c\/li\u003e\n\u003cli\u003eDesigned to match original Polaris 250 2-stroke specifications\u003c\/li\u003e\n\u003cli\u003ePrecision cast piston provides smooth operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Polaris 250 2-Stroke ATV\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUsed when boring cylinder to .040 over size to remove damage\u003c\/li\u003e\n\u003cli\u003eIdeal for restoring Polaris 250 engines in ATVs and utility vehicles\u003c\/li\u003e\n\u003cli\u003eSuitable for recreational trail riding and farm tasks\u003c\/li\u003e\n\u003cli\u003eCommonly installed during a full engine rebuild project\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\u003e73mm (.040 over)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTop End Repair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolaris 250 2-Stroke\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 Do I need to have the cylinder bored to use this kit? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the cylinder must be machined to .040 over size (73mm) to fit this piston. A machine shop can perform this service.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this kit work for other Polaris 250 models? \u003cstrong\u003eA:\u003c\/strong\u003e This kit is designed for Polaris 250 2-stroke ATV engines. Confirm your engine serial number for compatibility.\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":44890883489878,"sku":"SZ1F13471","price":171.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_ec46681f-d0ae-4942-a12b-765d3f7c0d5b.jpg?v=1781144162","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-top-end-repair-kit-fits-polaris-250-2-stroke-atv-s-73mm","provider":"Solid Spare","version":"1.0","type":"link"}