2011 Polaris Sportsman XP 850 Owners Manual - Page 128

TROUBLESHOOTING Engine Stops or Loses Power Possible Cause Out of fuel Kinked or plugged fuel vent line Water is present in fuel Fouled or defective spark plugs 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 Overheated engine 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 plug 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 Clean radiator screen and core, clean engine exterior, see your dealer Engine Overheating Possible Cause Debris lodged in screen Plugged Radiator Solution Clean the screen. Use a garden hose to flush any debris from the radiator fins. NOTE: High pressure washers can deform the radiator fins and reduce cooling efficiency. 124