Polaris OUTLAW 90 Owner's Manual page 176

Engine Runs Irregularly, Stalls or Misfires
Possible Cause
Fouled or defective spark plugs
Worn or defective spark plug wires
Incorrect spark plug gap or heat range
Loose ignition connections
Water present in fuel
Low battery voltage
Kinked or plugged fuel vent line
Incorrect fuel
Clogged air filter
Electronic throttle control malfunction
Other mechanical failure
Solution
Inspect, clean and/or replace spark plugs
See your POLARIS dealer
Set gap to specs or replace plugs
Check all connections and tighten
Replace with new fuel
Recharge battery with .5 amp charger
Inspect and replace
Replace with recommended fuel
Inspect and clean or replace
See your POLARIS dealer
See your POLARIS dealer
Troubleshooting
173