Description

Polaris Sportsman 570 Engine Rebuild (2017–2020)

If your 2017–2020 Polaris Sportsman 570 engine has lost compression, developed internal noise, or started burning oil, we rebuild your original engine to restore dependable performance.

Because we complete machining and assembly in-house, we control every tolerance and inspection step from teardown to final torque.

Before You Buy — Please Verify Your Crankshaft and Cylinder Head Type

This crankshaft replace OEM part number 2206356. The tapered end of the crankshaft has a diameter of 25mm, just behind the threaded end for the flywheel.The cylinder head is OEM part number 2206221, 3023441, 3022616, 3022521, 1204594, and 1204289 The exhaust port runs a round crush exhaust gasket. Please confirm your crankshaft MAG end diameter and the exhaust port. Polaris made changes to the crankshaft in 2017, dependent on sub-model. We recommend to confirm these parts are correct for your specific machine prior to purchase.

This engine Rebuild Service is for the Following Machines:

• 2017 SPORTSMAN 570 EFI
  2017 SPORTSMAN 570 EFI HD
  2017 SPORTSMAN 570 EFI X2 EPS
  2017 SPORTSMAN 570 SP
  2017 SPORTSMAN TOURING 570 EFI/EPS
  2017 SPORTSMAN TOURING 570 SP
  2018 SPORTSMAN 570 6X6
  2018 SPORTSMAN 570 EFI
  2018 SPORTSMAN 570 EFI UTE
  2018 SPORTSMAN 570 EFI X2 EPS
  2018 SPORTSMAN 570 SP
  2018 SPORTSMAN TOURING 570 EFI/EPS
  2018 SPORTSMAN TOURING 570 SP
  2019 SPORTSMAN 570 6X6
  2019 SPORTSMAN 570 EFI
  2019 SPORTSMAN 570 EFI X2 EPS
  2019 SPORTSMAN 570 SP
  2019 SPORTSMAN TOURING 570 EFI/EPS
  2019 SPORTSMAN TOURING 570 SP
  2020 SPORTSMAN 570
  2020 SPORTSMAN 570 6X6
  2020 SPORTSMAN 570 EPS
  2020 SPORTSMAN 570 EPS UTILITY PACKAGE
  2020 SPORTSMAN 570 HUNTER EDITION
  2020 SPORTSMAN 570 PREMIUM/PREMIUM LE
  2020 SPORTSMAN 570 UTLILITY PACKAGE
  2020 SPORTSMAN 570 X2
  2020 SPORTSMAN TOURING 570 PREMIUM

What Your Rebuilt Engine Includes

• Complete teardown, cleaning, and inspection of all components
• Crankshaft remanufactured with a new connecting rod and trued
• Cylinder inspected, bored and honed to next oversize or replaced
• New moly-coated piston and piston rings
• Cylinder head cleaned, decked, rebuilt, and shimmed to manufacturer specifications
• Manganese bronze exhaust valve guide upgrade for improved durability
• Intake 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 and oil pump 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

Built and Checked by Experts

First, a master technician completes the engine build and verifies all internal measurements. Next, a second technician performs a full inspection. This double inspection process ensures your rebuilt Polaris Sportsman 570 engine runs smoother and lasts longer than stock.

Core Program & Shipping

To receive your engine, send in your original core or pay a refundable $800 core charge. If your core passes inspection, you receive a full refund.

If you need your engine first, contact us about our core exchange options.

Warranty Options

All REV6 engines include a standard 1-year warranty. For added protection, upgrade to our 2-year no-fault plan for $450. With the upgraded coverage, we replace your engine for any reason, no questions asked.

For full details, review our engine warranty coverage page.

Lead Time

Most engines ship within 5–10 business days. However, we recommend calling for the most accurate availability before placing your order.

Shipping Instructions

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

Need Assistance?

If you have fitment questions or want to confirm compatibility, visit our help center or contact our team through our support page.

Send in your core and rebuild your Sportsman 570 the right way.