{"product_id":"vertex-wr101-057-complete-engine-rebuild-kit-polaris-800-ranger-rzr-sportsman-moto-house-mx","title":"Vertex Complete Engine Rebuild Kit WR101-057 — Polaris 800 Ranger\/RZR\/Sportsman 2005-2010","description":"\u003ch1\u003e\u003cstrong\u003eVertex Complete Engine Rebuild Kit WR101-057 — Polaris 800 Ranger\/RZR\/Sportsman 2005-2010\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eWhen it’s time for a major overhaul, the Vertex Complete Engine Rebuild Kit (WR101-057) offers a comprehensive, professional-grade solution for your Polaris 800cc engine. Designed to restore power, reliability, and smooth operation, this kit replaces all primary internal wear components in one convenient package.\u003c\/p\u003e\n\u003cp\u003eBy using this kit, you eliminate the time and cost associated with sourcing individual parts. Each component is manufactured to meet or exceed OEM specifications, ensuring that your Ranger, RZR, or Sportsman is ready for the trail or the job site.\u003c\/p\u003e\n\u003ch3\u003eWhat’s Inside the Box?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrankshaft:\u003c\/strong\u003e Heavy-duty replacement for smooth, reliable bottom-end power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Kit:\u003c\/strong\u003e Standard compression piston, rings, pin, and clips for factory-spec performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGaskets \u0026amp; Seals:\u003c\/strong\u003e A complete engine gasket set including all high-quality oil seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing Kits:\u003c\/strong\u003e Includes main bearings\/seals, transmission bearings, counter balancer bearings, and water pump rebuild kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponents:\u003c\/strong\u003e Cam chain and countershaft bushing\/seal kit included where applicable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Stop Repair:\u003c\/strong\u003e Everything you need for a total 4-stroke engine rebuild in a single box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Standards:\u003c\/strong\u003e Precision-engineered to match or surpass factory performance requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliability:\u003c\/strong\u003e Prevents secondary failures by replacing all worn-in components simultaneously.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment List (Key Models)\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-family: sans-serif;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f4f4f4; text-align: left;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eYear Range\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eVehicle Model Series\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2008-2010\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eRanger RZR 800 \/ RZR 4 \/ RZR S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2005-2010\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eSportsman 800 (EFI, MV, Touring, X2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2010\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eRanger 800 Crew \/ 6x6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this kit suitable for a performance build?\u003c\/strong\u003e\u003cbr\u003eA: This kit is designed to return your engine to factory-spec performance and reliability. It is the ideal choice for a standard, high-quality rebuild.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExpert Pro-Tip:\u003c\/strong\u003e Precision is key. Always use a torque wrench to follow factory service manual specifications when installing the crankshaft and cylinder head components. Ensuring clean, debris-free surfaces before installing new gaskets will prevent future leaks.\u003c\/p\u003e\n\u003ch3\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/mx-off-road-motorcycle-tools\"\u003eEssential Off-Road Mechanics Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/premium-motorcycle-chemicals-brake-fluid-bike-wash-coolant-chain-lubes\"\u003eHigh-Performance Engine Oils \u0026amp; Coolants\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAt Moto-House MX, we carry the best brands in powersports performance. Our team has over 40 years of experience helping riders maintain their machines. Every order ships fast from our Central Florida location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMoto-House MX – Choice of Champions – Clermont \/ Montverde, FL. Central Florida's premier powersports source with lightning-fast worldwide shipping.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"VERTEX","offers":[{"title":"Default Title","offer_id":43090886525011,"sku":"WR101-057","price":1455.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/vertex-wr101-057-complete-engine-rebuild-kit-for-polaris-800-series-2233120.jpg?v=1759518693","url":"https:\/\/motohousemx.com\/products\/vertex-wr101-057-complete-engine-rebuild-kit-polaris-800-ranger-rzr-sportsman-moto-house-mx","provider":"Moto-House MX","version":"1.0","type":"link"}