2016 Polaris POLARIS ACE 900 SP Owners Manual - Page 127
2016 Polaris POLARIS ACE 900 SP Manual
Page 127 highlights
TROUBLESHOOTING Engine Pings or Knocks Possible Cause Poor quality or low octane fuel Incorrect spark plug gap or heat range Solution Replace with recommended fuel Set gap to specs or replace plug Engine Runs Irregularly, Stalls or Misfires Possible Cause Fouled or defective spark plug Worn or defective spark plug wires Incorrect spark plug gap or heat range Loose ignition connections Water present in fuel Low battery voltage Incorrect fuel Clogged air filter Clogged intake pre-filter Other mechanical failure Solution Inspect, clean and/or 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 Replace with recommended fuel Inspect and clean or replace Inspect and clean (with soapy water) or replace Your POLARIS dealer can assist 125
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