TROUBLESHOOTING
133
Engine Runs Erratically
POSSIBLE CAUSES
• Overheating - Warning horn not working.
• Low oil pressure. Check oil level.
• 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.
Performance Loss
POSSIBLE CAUSES
• Overheating - Warning horn not working.
• Low oil pressure. Check oil level.
• Throttle not opening fully.
• Damaged propeller or improper propeller size.
• Incorrect engine timing, adjustment, or setup.
• 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.
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