2006 Polaris FST Touring Owners Manual - Page 139

TROUBLESHOOTING Possible Cause Engine Management System RPM Reduction Mode is activated Low battery voltage Water is present in fuel Poor quality or low octane fuel Loose ignition connections Incorrect spark plug gap or heat range Fouled or defective spark plug Kinked or plugged fuel vent line Clogged air filter Air flow through intake is too warm (FST only) Engine management system failure Engine overheating Fuel in crankcase Drive clutch binding Incorrect clutching Driven clutch malfunction Worn drive belt Excessive belt/sheave clearance Loose torque stop Other mechanical failure Engine and Drive Train Troubleshooting Engine Runs Irregularly, Stops or Loses Power Solution See causes on page 34. Recharge the battery to 12.8 VDC. See your dealer. Replace with fresh recommended fuel. Check all connections and tighten. Set gap to specs or replace plug. Inspect, clean and/or replace spark plug. Inspect and replace. Inspect and clean or replace. Boost is limited until cooler air flows through the intake. See your dealer. See the "Engine Overheating" troubleshooting section. See your dealer. See your dealer. See your dealer. See your dealer. Replace with the recommended belt. See your dealer. Inspect and adjust. See your dealer. Engine Overheating Possible Cause Low snow conditions Low coolant Solution Drive into snow frequently. See page 20. Check the coolant level. See page 106. Check for leaks. Bleed the system if the coolant level is extremely low. Clean snow and debris from the radiator. Restricted air flow to radiator 136