2009 Polaris Sportsman 300 Owners Manual - Page 116

TROUBLESHOOTING Engine Stops or Loses Power Possible Cause Out of fuel Kinked or plugged fuel vent line Water is present in fuel Overuse of choke Fouled or defective spark plug(s) Worn or defective spark plug wires Incorrect spark plug gap or heat range Loose ignition connections Low battery voltage Incorrect fuel Clogged air filter Reverse speed limiter malfunction Electronic throttle control malfunction Other mechanical failure Solution Refuel, cycle key to ON position three times for 5 seconds each, then start Inspect and replace Replace with new fuel Inspect, clean and/or replace spark plugs Inspect, clean and/or replace spark plug(s) See your dealer Set gap to specs or replace plug Check all connections and tighten Recharge the battery to 12.8 VDC Replace with fresh recommended fuel Inspect and clean or replace See your dealer See your dealer See your dealer Engine Overheating Possible Cause Towing heavy loads/dragging Extended operation at low speeds Frequent idling conditions Operating in excessive heat Solution Install accessory oil cooler. See page 39. Install accessory oil cooler. See page 39. Install accessory oil cooler. See page 39. Install accessory oil cooler. See page 39. 113