Polaris 2011 FS IQ Widetrak Owner's Manual page 141

Engine and Drive Train Troubleshooting
Engine Turns Over, Fails to Start
Probable Cause
Out of fuel
Water is present in fuel
Old or non-recommended fuel
Fouled or defective spark plugs
No spark to spark plug
Water or fuel in crankcase
Clogged fuel filter
Low battery voltage
Poor engine compression
Mechanical failure
Engine Backfires
Probable Cause
Weak spark from spark plug
Incorrect spark plug gap or heat range
Old or non-recommended fuel
Mechanical failure
Loose ignition connections
Water present in fuel
Exhaust manifold leak
TROUBLESHOOTING
Solution
Refuel.
See your dealer.
Replace with fresh recommended fuel.
Inspect plugs and replace if necessary.
See your dealer.
See your dealer.
Replace the filter.
Recharge the battery to 12.8 VDC.
See your dealer.
See your dealer.
Solution
Inspect, clean and/or replace spark plugs.
Set gap to specs or replace plugs.
Replace with fresh recommended fuel.
See your dealer.
Check all connections and tighten.
Replace with fresh recommended fuel.
Inspect and repair, or see your dealer.
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