Description

Polaris Sportsman 550 Engine Remanufacturing

This is a build core required listing. You must send your existing Polaris Sportsman 550 engine to us for a complete remanufacturing service. We disassemble the engine down to the bare cases, inspect every component, machine critical surfaces, and rebuild it to manufacturer specifications.

Because we handle machining and assembly in-house, we control tolerances and quality from start to finish.

Warranty Coverage

Every rebuilt Sportsman 550 engine includes a standard 1-year no-fault warranty. In addition, you may upgrade to a 2-year no-fault warranty for added protection.

For full details, review our engine warranty coverage page.

What Your Complete Engine Rebuild Includes

• Complete teardown, cleaning, and inspection of all components
• Crankshaft rebuilt, inspected, and verified within OEM specifications
• All bearings inspected and cleaned
• Cylinders inspected for wear and damage
• Worn cylinders bored to the next oversize and honed or replaced
• New piston and piston rings
• Cylinder head cleaned, decked, rebuilt to manufacturer specifications
• Valve guides inspected and replaced as needed
• Valves and seats recut and verified with vacuum testing
• Camshaft lobes and journals cleaned and polished, replaced if required
• Timing chain inspected and replaced as needed
• Refurbished oil pump assembly
• Engine cases fully inspected and machined
• All gaskets and seals replaced
• Final assembly torqued to manufacturer specifications

Why Professional Engine Remanufacturing Matters

First, accurate cylinder boring ensures proper ring seating. Next, crankshaft inspection protects internal bearing clearances. In addition, precision valve work restores compression and combustion efficiency. Because every engine is built to strict internal standards, your Sportsman 550 returns ready for dependable performance.

Core Requirement

Your rebuild will begin only after we receive your engine core. Engines are scheduled in the order cores arrive.

Before shipping your engine, review our core shipping instructions for packaging and freight details.

Need Assistance?

If you have fitment or rebuild questions, visit our help center or contact our team directly through our support page.

For break-in procedures and engine education, explore the REV6 blog.

Send in your core and rebuild your Polaris Sportsman 550 the right way.