Emission Control Information; Troubleshooting - Suzuki DF4 Manuel Du Propriétaire

EMISSION CONTROL
INFORMATION
NOTICE
• THIS ENGINE IS CERTIFIED TO OPER-
ATE ON UNLEADED GASOLINE OF 87
OCTANE ((R+M)/2
GREATER.
• EXHAUST EMISSION CONTROL
SYSTEM:
ENGINE MODIFICATION
48
METHOD) OR

TROUBLESHOOTING

This troubleshooting guide is provided to help
you find the cause of common complaints.
NOTICE
Failure to troubleshoot a problem cor-
rectly can damage your outboard motor.
Improper repairs or adjustments may
damage the outboard motor instead or
fixing it. Such damage may not be cov-
ered under warranty.
If you are not sure about the proper
action to correct a problem, consult your
Suzuki marine dealer.
Recoil starter will not operate:
• Shift lever is not in NEUTRAL.
Engine will not start (hard to start):
• Emergency stop switch lock plate is not in
position.
• Fuel tank is empty.
• Fuel hose is not properly connected to
engine. (For DF6)
• Fuel hose is kinked or pinched.
• Spark plug is fouled.
Engine idles unstably or stalls:
• Choke knob is not pushed in securely.
• Fuel hose is kinked or pinched.
• Spark plug is fouled.
Engine speed will not increase (Engine
power is low):
• Engine is overloaded.
• Propeller is damaged.
• Propeller is not properly matched to loads.
Engine vibrates excessively:
• Engine mounting bolts or clamp screws are
loose.
• Foreign object (seaweed etc.) is tangled on
propeller.
• Propeller is damaged.
Engine overheats:
• Cooling water intake(s) are blocked.
• Engine is overloaded.
• Propeller is not properly matched to loads.