Content Source: 2020 RGR 500 / 570 / EPS Owner’s Manual (9929908 R02) > 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 Pings or Knocks

Possible Cause Solution
Poor quality or low octane fuel Replace with recommended fuel
Incorrect spark plug gap or heat range Set gap to specs or replace plug

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