Content Source: 2021 RZR Pro XP and Pro XP 4 Owner’s Manual (9931538 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 |
| 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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