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4-16
PROBLEM
Engine will not turn
over
Engine turns over, but
will not start
Engine is hard to start
Engine misses or
idles rough
Poor boat performance • Fouled spark plugs.
Poor gas mileage
POSSIBLE CAUSE
• Throttle control in gear.
• Main circuit breaker open.
• No fuel in tanks.
• Contaminated Fuel.
• Distributor Problems.
• Flooded engine.
• Plugged flame arrestor.
• Fouled spark plugs.
• Loose coil or ignition wires.
• Battery cables loose or
corroded.
• Weak battery.
• Ignition problems.
• Fouled spark plugs.
• Loose of defective high-
tension leads.
• Plugged PCV valve.
• Weak ignition coil.
• Vacuum leak.
• Plugged flame arrestor.
• Weak ignition coil.
• Contaminated fuel.
• Fuel filter clogged.
• Ignition problems.
• Fouled spark plugs.
• Plugged flame arrestor.
• Inefficient driving habits.
• Plugged PCV valve.
• Ignition problems.
Care and Maintenance
SOLUTION
• Shift into neutral.
• Reset circuit breaker.
• Fill fuel tank.
• See your dealer.
• See your dealer.
• Start engine full throttle
and back off.
• Clean flame arrestor.
• Replace spark plugs.
• Tighten coil or ignition
wires.
• Clean and tighten battery
cables.
• Charge or replace the
battery.
• See your dealer.
• Replace spark plugs.
• Tight or replace the high-
tension leads.
• Replace PCV valve.
• Replace ignition coil.
• See your dealer.
• Replace spark plugs.
• Clean the flame arrestor.
• Replace the ignition coil.
• See your dealer.
• See your dealer.
• See your dealer.
• Replace spark plugs.
• Clean the flame arrestor.
• Plan the boat quickly, then
slow down to desired speed.
• Replace PCV valve.
• See your dealer.
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