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ENGINE TROUBLESHOOTING
Engine Pings or Knocks
Possible Cause Solution
Poor quality or low octane fuel Replace with recommended fuel
Incorrect ignition timing See your Polaris dealer
Incorrect spark plug gap Set gap to specs or replace plugs
Engine Loses Power
Possible Cause Solution
Weak spark Replace spark plugs and/or wires
Incorrect fuel or fuel mixture Replace with recommended fuel
Water present in fuel or oil tank Replace with recommended fluids
Clogged fuel filter See your Polaris dealer
Clogged jet pump intake Clean intake
Clogged exhaust and/or cooling system Clean exhaust, flush cooling system
Hydrolock See your Polaris dealer
Too much load/weight on craft Reduce load per vehicle specifications
Mechanical failure See your Polaris dealer