Polaris msx 150 User Manual

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 --
Incorrect spark plug gap or heat range Set gap to specs or replace plugs 86
Loose spark plug connections Check all connections and tighten --
Water present in fuel Replace with fresh recommended fuel 38
Clogged exhaust pipe orifice fitting Clean orifice fitting --
Water in exhaust pipe Drain exhaust --
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 --
Possible Rich Fuel Mixture Cause Solution See Page
Fuel is very high octane Replace with lower octane recommended fuel 38
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Polaris msx 150 Specifications

General

Brand	Polaris
Model	msx 150
Category	Boat
Language	English