Troubleshooting – Polaris Sportsman 9921828 User Manual
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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
Possible Cause
Solution
Out of fuel
Refuel, cycle key to ON position three
times for 5 seconds each, then start
Clogged fuel filter
Replace the filter
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(s)
Inspect plugs and replace if necessary
No spark to spark plug
Inspect plugs, verify stop switch is on
Water or fuel in crankcase
Immediately see your Polaris dealer
Low battery voltage
Recharge the battery to 12.8 VDC
Mechanical failure
See your dealer
Possible Cause
Solution
Weak spark from spark plug
Inspect, clean and/or replace spark
plug(s)
Incorrect spark plug gap or heat range
Set gap to specs or replace plugs
Old or non-recommended fuel
Replace with fresh recommended fuel
Incorrectly installed spark plug wires
See your dealer
Incorrect ignition timing
See your dealer
Mechanical failure
See your dealer
Loose ignition connections
Check all connections and tighten
Water present in fuel
Replace with fresh recommended fuel