Troubleshooting – Polaris 2016 RZR 900 User Manual
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TROUBLESHOOTING
Engine Pings or Knocks
Engine Runs Irregularly, Stalls or Misfires
Possible Cause
Solution
Poor quality or low octane fuel
Replace with recommended fuel
Incorrect ignition timing
Your POLARIS dealer can assist
Incorrect spark plug gap or heat range
Set gap to specs or replace plugs
Possible Cause
Solution
Fouled or defective spark plugs
Inspect, clean and/or replace spark plugs
Worn or defective spark plug wires
Your POLARIS dealer can assist
Incorrect spark plug gap or heat range
Set gap to specs or replace plugs
Loose ignition connections
Check all connections and tighten
Water present in fuel
Replace with new fuel
Low battery voltage
Recharge battery to 12.8 VDC
Kinked or plugged fuel tank vent line or
filter
Inspect and replace
Kinked idle air control lines
Inspect; rotate lines to remove kink
Incorrect fuel
Replace with recommended fuel
Clogged air filter
Inspect and replace
Other mechanical failure
Your POLARIS dealer can assist
Possible Lean Fuel Cause
Solution
Low or contaminated fuel
Add or change fuel, clean the fuel system
Low octane fuel
Replace with recommended fuel
Clogged fuel filter
Your POLARIS dealer can assist
Low fuel pressure
Your POLARIS dealer can assist