Engine Runs Irregularly, Stalls or Misfires
Possible Cause | Solution |
---|---|
Fouled or defective spark plug |
Inspect, clean and/or replace spark plug |
Worn or defective spark plug wires |
See your POLARIS dealer |
Incorrect spark plug gap or heat range |
Set gap to specs or replace plug |
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 |
See your POLARIS dealer |
Other mechanical failure |
See your POLARIS dealer |
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 |
See your POLARIS dealer |
Possible Rich Fuel Cause | Solution |
Fuel is very high octane | Replace with lower octane fuel |