88
TROUBLESHOOTING
This troubleshooting guide is provided to help
you find the cause of common complaints.
Starter motor will not operate:
• Emergency stop switch lock plate is not in
position.
• Starter relay fuse is blown out.
• Sub battery cable fuse is blown out.
• Control handle is not in NEUTRAL.
• Battery terminal connection is corroded or
lost.
• Battery power is lost.
• Starter motor is failed.
• If equipped with Keyless Start System:
Engine switch or start/stop switch is failed.
If not equipped with Keyless Start System:
Ignition switch or start/stop switch is failed.
• Electric wiring connection is loose.
Engine will not start (hard to start):
• Fuel tank is empty.
• Fuel is deteriorated.
• Engine starting procedure is mistaken.
• Fuel tank air vent is not opened.
• Fuel hose is not properly connected to
engine.
• Fuel hose is kinked or pinched.
• Fuel filter is clogged.
• Fuel pump is failed.
• Fuel tank filter is clogged.
• Spark plug is fouled.
• Ignition system is fouled.
• Electric wiring connection is loose.
NOTICE
Failure to troubleshoot a problem correctly
can damage your outboard motor. Improper
repairs or adjustments may damage the out-
board motor instead or fixing it. Such damage
may not be covered under warranty.
If you are not sure about the proper action to
correct a problem, consult your Suzuki marine
dealer.
Engine idles unstably or stalls:
• Spark plug is fouled.
• Fuel hose is kinked or pinched.
• Fuel hose is not properly connected to
engine.
• Fuel is deteriorated.
• Fuel filter is clogged.
• Fuel pump is failed.
• Ignition system is fouled.
• Incorrect engine oil is used.
• Thermostat is failed.
• Electric wiring connection is loose.
Caution system is activated (Caution
buzzer sounds. Caution LEDs lights.):
• Cooling water passage is clogged.
• Thermostat is failed.
• Water pump is failed.
• Oil change reminder system is activated.
• Engine oil is not enough or deteriorated.
• Engine oil filter is clogged.
• Oil pump is failed.
• Propeller is damaged.
• Battery power is lost.
• Engine control sensor is failed.
• Electric wiring connection is loose.
Shift operation will not be activated:
• Electronic shift control system is failed.
Propeller is not rotated:
• Propeller bush is worn or damaged.
• Drive shaft is damaged.
• Propeller shaft is damaged.
Engine speed will not increase:
• Propeller is damaged.
• Propeller is not clean.
• Propeller is not properly selected.
• Outboard motor is not correctly installed.
• Trim angle is not properly adjusted.
• Spark plug is fouled or incorrectly selected.
• Fuel hose is kinked or pinched.
• Fuel filter is clogged.
• Fuel is deteriorated.
• Fuel pump is failed.
• Ignition system is failed.
• Electronic throttle system is failed.
• Heavy cargo is on the boat.
• Water is entered into the boat.
• Bottom of boat is not clean or damaged.
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