2003 Polaris Universal Youth ATV Owners Manual - Page 177

Engine Runs Irregularly, Stalls or Misfires Possible Weak Spark 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 Troubleshooting 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 175