Content Source: 2019 RZR 570 Owner’s Manual (9929131 Rev 02) > Troubleshooting Chapter

IMPORTANT

The Owner's Manual for this vehicle contains warnings, instructions and other information you must read and fully understand before safely riding or performing maintenance on this vehicle.Always follow the warnings and instructions in Owner's Manual.

Click the CONTENTS link above for the Table Of Contents, or download a full PDF of the Owner Manual in the Owner Support area of Polaris.com

Engine Runs Irregularly, Stalls or Misfires

Possible Cause Solution

Fouled or defective spark plugs

Inspect, clean and/or replace spark plugs

Worn or defective spark plug wires

Your POLARIS dealer can assist

Incorrect spark plug gap or heat range

Set gap to specs or replace plugs

Loose ignition connections

Check all connections and tighten

Water present in fuel

Replace with new fuel

Low battery voltage

Recharge battery to 12.8 VDC

Kinked or plugged fuel tank vent line

Inspect and replace

Incorrect fuel

Replace with recommended fuel

Clogged air filter

Inspect and clean or replace

Low fuel pressure

Your POLARIS dealer can assist

Other mechanical failure

Your POLARIS dealer can assist

Possible Lean Fuel Cause Solution

Low or contaminated fuel

Add or change fuel, clean the fuel system

Low octane fuel

Replace with recommended fuel

Clogged fuel filter

Your POLARIS dealer can assist

Possible Rich Fuel Cause Solution

Fuel is very high octane

Replace with lower octane fuel


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