2016 Polaris POLARIS ACE 900 SP Owners Manual - Page 126

TROUBLESHOOTING Engine Doesn't Turn Over Possible Cause Low battery voltage Loose battery connections Loose solenoid connections Loose electronic control box connections Solution Recharge the battery to 12.8 VDC Check all connections and tighten Check all connections and tighten Inspect, clean, reinstall connectors Engine Turns Over, Fails to Start Possible Cause Out of fuel Water is present in fuel Old or non-recommended fuel Fouled or defective spark plug No spark to spark plug Water or fuel in crankcase Low battery voltage Mechanical failure Solution Refuel Drain the fuel system and refuel Replace with fresh recommended fuel Inspect plug and replace if necessary Inspect plug and replace if necessary Your POLARIS dealer can assist Recharge the battery to 12.8 VDC Your POLARIS dealer can assist Engine Backfires Possible Cause Weak spark from spark plug Incorrect spark plug gap or heat range Old or non-recommended fuel Incorrectly installed spark plug wires Mechanical failure Loose ignition connections Water present in fuel Solution Inspect, clean and/or replace spark plug Set gap to specs or replace plug Replace with fresh recommended fuel Your POLARIS dealer can assist Your POLARIS dealer can assist Check all connections and tighten Replace with fresh recommended fuel 124