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136 TROUBLESHOOTING Engine Doesn't Turn Over Engine Turns Over, Fails to Start Engine Backfires Possible Cause Solution Low battery voltage Recharge the battery to 12.8 VDC Loose battery connections Check all connections and tighten Loose solenoid connections Check all connections and tighten Loose electronic control box connections Inspect, clean, reinstall connectors Possible Cause Solution Out of fuel Refuel Clogged fuel filter See your POLARIS dealer Water is present in fuel Drain the fuel system and refuel Old or non-recommended fuel Replace with fresh recommended fuel Fouled or defective spark plug Inspect plug and replace if necessary No spark to spark plug Inspect plug and replace if necessary Water or fuel in crankcase Immediately see your POLARIS dealer Low battery voltage Recharge the battery to 12.8 VDC Mechanical failure See your POLARIS dealer Possible Cause Solution Weak spark from spark plug Inspect, clean and/or replace spark plug Incorrect spark plug gap or heat range Set gap to specs or replace plug Old or non-recommended fuel Replace with fresh recommended fuel Incorrectly installed spark plug wires See your POLARIS dealer Incorrect ignition timing See your POLARIS dealer Mechanical failure See your POLARIS dealer Loose ignition connections Check all connections and tighten Water present in fuel Replace with fresh recommended fuel |