{"product_id":"namura-040-over-bore-top-end-repair-kit-for-polaris-300-2-stroke-atv-s-75-5mm","title":"Namura .040 Over Bore Top End Repair Kit for Polaris 300 2-Stroke ATV's 75.5mm","description":"\u003ch2\u003eTop End Repair Kit (0.040 Over Bore 75.5mm) for Polaris 300 2-Stroke ATVs\u003c\/h2\u003e\u003cp\u003eThis aftermarket top end repair kit includes a piston, rings, pin, and gaskets for a 0.040 over bore (75.5mm) on Polaris 300 2-stroke ATV engines.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis top end repair kit is designed to rebuild the cylinder of your Polaris 300 2-stroke ATV. The kit includes all necessary components for a 0.040 over bore, restoring compression and performance. It is suitable for a variety of Polaris 300 models.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh-silicon aluminum piston for lightweight durability\u003c\/li\u003e\n\u003cli\u003ePrecision-ground ring set for optimal seal\u003c\/li\u003e\n\u003cli\u003eIncludes wrist pin and circlips for secure assembly\u003c\/li\u003e\n\u003cli\u003eComplete gasket set for a leak-free installation\u003c\/li\u003e\n\u003cli\u003eMatched components ensure proper clearances\u003c\/li\u003e\n\u003cli\u003eDesigned for 0.040 over bore (75.5mm) for worn cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngine top end rebuild after wear or damage\u003c\/li\u003e\n\u003cli\u003eRestoring lost compression and power\u003c\/li\u003e\n\u003cli\u003ePreventive maintenance during full engine overhaul\u003c\/li\u003e\n\u003cli\u003eTrail riding and recreational 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 Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e75.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverbore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.040 in (1.016mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolaris 300 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 Is this kit intended for a standard bore? \u003cstrong\u003eA:\u003c\/strong\u003e No, this kit is for a 0.040 over bore only. You must bore your cylinder to 75.5mm for proper fit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does the kit include a cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, the kit includes only the piston, rings, pin, and gaskets. The cylinder must be purchased separately or reused if serviceable.\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":44949762965590,"sku":"SZ1F14331","price":208.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_871f134d-06a1-49ee-86c2-6e3c44c8f685.jpg?v=1781398320","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-top-end-repair-kit-for-polaris-300-2-stroke-atv-s-75-5mm","provider":"Solid Spare","version":"1.0","type":"link"}