Engine Overheating - Polaris FS Classic Owner's Manual

TROUBLESHOOTING
Engine and Drive Train Troubleshooting
Engine Runs Irregularly, Stops or Loses Power
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 Overheating
Possible Cause
Low snow conditions
Low coolant
Restricted air flow to radiator
136
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" trouble-
shooting 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.
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.