Content Source: 2019 RZR 900 / S 900 Owner’s Manual (9929135 R01) > 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 ignition timing

Your POLARIS dealer or other qualified person can assist.

Incorrect spark plug gap or heat range

Set gap to specs or replace plugs


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