Vertex Complete Engine Rebuild Kit WR00047 — Polaris Sportsman 850 2009-2013

Vertex Complete Engine Rebuild Kit WR00047 — Polaris Sportsman 850 2009-2013

Product Description

When your Polaris Sportsman 850 is due for a major mechanical overhaul, the Vertex Complete Engine Rebuild Kit (WR00047) provides a professional-grade, all-in-one solution. Engineered to restore power, reliability, and smooth operation to your 850cc 4-stroke ATV, this kit replaces all primary internal wear components in one convenient package.

By utilizing this comprehensive set, you eliminate the time, cost, and logistics associated with sourcing individual engine parts. Every component is manufactured to meet or exceed OEM specifications, ensuring that your machine is ready for the trail, the job site, or heavy-duty off-road use.

What’s Inside the Box?

• Crankshaft: Heavy-duty replacement for smooth, reliable bottom-end power.
• Piston Kit: Standard compression piston, rings, pin, and clips for factory-spec performance.
• Gaskets & Seals: A complete engine gasket set including all high-quality oil seals.
• Bearing Kits: Includes main bearings and seals, transmission bearings, counter balancer bearings, and water pump rebuild kit.
• Additional Components: Cam chain and countershaft bushing/seal kit included where applicable.

Fitment List

Year Range	Vehicle Model Series
2009-2013	Sportsman 850 / XP / Touring / EPS / Forest

Expert Pro-Tip:

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 and ensure long-term engine durability.

Recommended Pairings

• Essential Off-Road Mechanics Tools
• High-Performance Engine Oils & Coolants

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