Polaris ACE 900 SP Owner's 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
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
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
124
Solution
Recharge the battery to 12.8 VDC
Check all connections and tighten
Check all connections and tighten
Inspect, clean, reinstall connectors
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
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