Section 13
13-2
Poor boat performance
• Contaminated fuel
• Uneven load distribution
• Excessive load
• Improper trim equipment position (if
equipped)
• Improper propeller selection
• Excessive water in bilge
• Damaged or obstructed propeller
• Marine growth on hull
• Damaged hull
• Engine system problem
• Plugged flame arrestor (if equipped)
Throttle/shifting control
problems
• Corroded cable
• Excessive bends or kinks in cable
• Engine system problem
Excessive vibration
• Damaged or obstructed propeller
• Bent propeller shaft
• Engine system problem
Electrical problems
• Blown fuse/breaker or open circuit
• Loose or corroded wiring connections
• Defective switch or gauge
• Weak or discharged battery
Problem Possible Causes
Supreme_2018.book Page 2 Wednesday, January 31, 2018 9:30 AM
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