Content Source: 2021 RZR S4 1000 Owner’s Manual (9931549 R02) > Troubleshooting Chapter
| IMPORTANT |
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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 |
|---|---|
|
Out of fuel |
Refuel |
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Kinked or plugged fuel tank vent line or filter |
Inspect and replace |
|
Water is present in fuel |
Replace with new fuel |
|
Fouled or defective spark plugs |
Inspect, clean and/or replace spark plug |
|
Worn or defective spark plug wires |
See your dealer |
|
Incorrect spark plug gap or heat range |
Set gap to specs or replace plug |
|
Loose ignition connections |
Check all connections and tighten |
|
Low battery voltage |
Recharge the battery to 12.8 VDC |
|
Incorrect fuel |
Replace with fresh recommended fuel |
|
Clogged air filter |
Inspect and replace |
|
Clogged intake pre-filter |
Inspect and clean (with soapy water) or replace |
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Other mechanical failure |
See your dealer |
|
Overheated engine |
Clean radiator screen and core, clean engine exterior, check coolant level, see your dealer if condition persists |
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