Table of Contents
Advertisement
Engine Pings or Knocks
Possible Cause
Poor quality or low octane fuel
Incorrect ignition timing
Incorrect spark plug gap/heat range
Engine Runs Irregularly, Stalls or Misfires
Possible Cause
Fouled or defective spark plug
Worn or defective spark plug wires
Incorrect spark plug gap/heat range
Loose ignition connections
Water present in fuel
Low battery voltage
Kinked/plugged fuel tank vent line
Incorrect fuel
Clogged air filter
ETC malfunction
Other mechanical failure
Possible Lean Fuel Cause
Low or contaminated fuel
Low octane fuel
Clogged fuel filter
Incorrect fuel
Possible Rich Fuel Cause
Fuel is very high octane
Stopping/starting without adequate
warm-up
Incorrect fuel
Clogged air filter
TROUBLESHOOTING
Solution
Replace with recommended fuel
Your POLARIS dealer can assist.
Set gap to specs or replace plug
Solution
Inspect/clean/replace spark plug
Your POLARIS dealer can assist.
Set gap to specs or replace plug
Check all connections and tighten
Replace with new fuel
Recharge battery to 12.8 VDC
Inspect and replace
Replace with recommended fuel
Inspect and clean or replace
Your POLARIS dealer can assist.
Your POLARIS dealer can assist.
Solution
Add/change fuel, clean fuel system
Replace with recommended fuel
Your POLARIS dealer can assist.
Replace with recommended fuel
Solution
Replace with lower octane fuel
Allow engine to warm up before
operating and/or stopping
Replace with recommended fuel
Inspect and clean or replace
105
Advertisement
Table of Contents
