Polaris Sportsmabn X2 500 EFI Owner's Manual page 122

Engine Doesn't Turn Over
Possible Cause
Low battery voltage
Loose battery connections
Loose solenoid connections
Engine Turns Over, Fails to Start
Possible Cause
Out of fuel
Clogged fuel filter
Water is present in fuel
Old or non-recommended fuel
Fouled or defective spark plug(s)
No spark to spark plug
Crankcase filled with water or fuel
Clogged fuel filter
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
Incorrect ignition timing
Mechanical failure
Loose ignition connections
Water present in fuel
TROUBLESHOOTING
Solution
Recharge battery to 12.5 VDC
Check all connections and tighten
Check all connections and tighten
Solution
Refuel, cycle key to ON position three
times for 5 seconds each, then start
Inspect and clean or replace
Drain the fuel system and refuel
Replace with new fuel
Inspect plug(s), replace if necessary
Inspect plug(s), verify stop switch is on
Immediately see your Polaris dealer
Replace the filter
Recharge battery to 12.5 VDC
See your Polaris dealer
Solution
Inspect, clean and/or replace spark plug
Set gap to specs or replace plug
Replace with new fuel
See your Polaris dealer
See your Polaris dealer
See your Polaris dealer
Check all connections and tighten
Replace with new fuel
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