EMISSION CONTROL INFORMATION
• THIS ENGINE IS CERTIFIED TO OPERATE ON UNLEADED GASOLINE OF 87
OCTANE ((R+M)/2 METHOD) OR GREATER.
• EXHAUST EMISSION CONTROL SYSTEM:
ENGINE MODIFICATION
TROUBLESHOOTING
This troubleshooting guide is provided to help you find the cause of common complaints.
Failure to troubleshoot a problem correctly can damage your outboard motor. Improper repairs or adjustments may damage the outboard 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.
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.