
d. Fuel line is kinked or pinched.
e. Injector plugged.
•
Threaded connection of an air hose is loose.
•
Fuel pump failure.
•
Ignition system component failure.
Performance Loss
POSSIBLE CAUSES
•
Throttle not fully open.
•
Damaged propeller or improper propeller size.
•
Boat overloaded or load improperly distributed.
•
Excessive water in bilge.
•
Boat bottom is dirty or damaged.
Battery Will Not Hold Charge
POSSIBLE CAUSES
•
Battery connections are loose or corroded.
•
Low electrolyte level in battery.
•
Worn out or inefficient battery.
•
Excessive use of electrical accessories.
•
Defective rectifier, alternator, or voltage regulator.
•
Open circuit in the alternator output wire (fused link).
Jet Application Troubleshooting
PERFORMANCE LOSS
Possible causes
•
Throttle not fully open.
•
Damaged impeller.
•
Boat overloaded or load improperly distributed.
•
Excessive water in bilge.
•
Boat bottom is dirty or damaged.
ENGINE OVERSPEED (EXCESSIVE RPM)
Possible causes
•
Outboard mounted too high on the transom.
•
Worn jet pump impeller or liner.
•
Incorrect jet pump impeller clearance adjustment.
•
Tilting the outboard out beyond a vertical position.
TROUBLESHOOTING
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