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TROUBLESHOOTING
3 – ENGINE RUNS ERRATICALLY
POSSIBLE CAUSES
• Spark plugs fouled or defective. Refer to Maintenance Section.
• Incorrect setup and adjustments.
• Fuel is being restricted to the engine.
a. Engine Fuel filter is obstructed. Refer to Maintenance Section.
b. Fuel tank filter obstructed.
c. Stuck anti-siphon valve located on permanently built in type fuel tanks.
d. Fuel line is kinked or pinched.
• Fuel pump failure.
• Ignition system component failure.
4 – ENGINE OVER-SPEED (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.
• Cavitation of the impeller due to rough water or obstruction in the boat hull.
5 – 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.