Polaris Outlaw 9922479 Owner's Manual page 184

Troubleshooting
Engine Runs Irregularly, Stalls or Misfires
Possible Lean Fuel Mixture Cause
Low or contaminated fuel
Low octane fuel
Old or non-recommended fuel
Clogged fuel valve screen
Incorrect jetting
Possible Rich Fuel Mixture Cause
Overuse of choke
Fuel is very high octane
Incorrect jetting
Plugged, dirty or wet air filter
180
Solution
Add or change fuel, clean the fuel system
Replace with recommended fuel
Replace with recommended fuel
See your Polaris dealer
See your Polaris dealer
Solution
Inspect, clean and/or replace spark plugs
Replace with recommended octane fuel
See your Polaris dealer
Clean pre-filter, replace main filter as needed