98
ENGINE TROUBLESHOOTING
Engine Runs Irregularly, Stalls or Misfires
Possible Weak Spark Cause
Solution
See Page
Fouled or defective spark plugs
Inspect, clean and/or replace spark plugs
86
Worn or defective spark plug wires
See your Polaris dealer
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Incorrect spark plug gap or heat range
Set gap to specs or replace plugs
86
Loose spark plug connections
Check all connections and tighten
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Water present in fuel
Replace with fresh recommended fuel
38
Clogged exhaust pipe orifice fitting
Clean orifice fitting
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Water in exhaust pipe
Drain exhaust
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Low battery voltage
Recharge battery to 12.8 VDC
91
Possible Lean Fuel Mixture Cause
Solution
See Page
Low or contaminated fuel
Refill or replace with fresh recommended fuel, clean the
fuel system
38
Low octane fuel
Replace with recommended fuel
38
Clogged fuel filter
See your Polaris dealer or replace the filter
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Possible Rich Fuel Mixture Cause
Solution
See Page
Fuel is very high octane
Replace with lower octane recommended fuel
38
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