Polaris 2016 RZR XP Turbo Owner's Manual page 135

Engine Pings or Knocks
Possible Cause
Poor quality or low octane fuel
Incorrect ignition timing
Incorrect spark plug gap or heat range
Engine Runs Irregularly, Stalls or Misfires
Possible Cause
Loose, missing or kinked boost reference
lines
Loose or missing intake system sensor
connections
Fouled or defective spark plugs
Worn or defective spark plug wires
Incorrect spark plug gap or heat range
Loose ignition connections
Water present in fuel
Low battery voltage
Kinked or plugged fuel tank vent line or
filter
Incorrect fuel
Clogged air filter
Clogged intake pre-filter
Other mechanical failure
Possible Lean Fuel Cause
Low or contaminated fuel
Low octane fuel
Clogged fuel filter
Low fuel pressure
Loose, missing, torn or kinked boost
reference line from manifold to fuel
pressure regulator or blow-off valve
TROUBLESHOOTING
Solution
Replace with recommended fuel
Your POLARIS dealer can assist.
Set gap to specs or replace plugs
Solution
Replace boost reference lines
Inspect connections, tighten or replace as
needed
Inspect, clean and/or replace spark plugs
Your POLARIS dealer can assist.
Set gap to specs or replace plugs
Check all connections and tighten
Replace with new fuel
Recharge battery to 12.8 VDC
Inspect and replace
Replace with recommended fuel
Inspect and replace
Inspect and clean (with soapy water) or
replace
Your POLARIS dealer can assist.
Solution
Add or change fuel, clean the fuel system
Replace with recommended fuel
Your POLARIS dealer can assist.
Your POLARIS dealer can assist.
Replace boost reference line
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