4-3
TRBL
SHTG
Troubleshooting
Symptom 1: Improper oil lubrication.
Symptom 1: Discharged battery (optional for European market).
Troubleshooting the lower unit
Troubleshooting consists of the following 3 items:
Symptom 1: Specific trouble conditions
Symptom 2: Trouble conditions of an area or individual part
Cause: Trouble causes of symptom 2
— : Not applicable
Symptom 1: Shift mechanism of the forward gear and reverse gear does not operate prop-
erly.
Symptom 2
Cause
Checking step
See
page
Oil cannot be seen
through the oil lubrica-
tion check window
Low engine oil level
Check the oil level.
Check for engine oil leakage.
Check the valve stem seal and valve.
Check the piston ring.
Insufficient oil lubrication
Check the oil pump.
Check the oil strainer.
Check the oil passage.
Symptom 2
Cause
Checking step
See
page
—
Battery performance decrease Check the battery capacity and specific
gravity.
—
Short, open, or loose connec-
tion in charging circuit
Check the battery cable and terminals
for proper connections.
—
Lighting coil malfunction
Measure the lighting coil output peak
voltage.
Measure the lighting coil resistance.
Rectifier Regulator malfunction Measure the Rectifier Regulator output
peak voltage.
Check the Rectifier Regulator for conti-
nuity.
Symptom 2
Cause
Checking step
See
page
—
Shift rod malfunction
Check the shift rod joint.
Shift mechanism malfunction
(lower unit)
Check the shift rod for wear.
Check the dog clutch.
Check the forward gear, reverse gear,
and pinion for damage or wear.
Summary of Contents for F4B
Page 1: ...SERVICE MANUAL 6BV 28197 3M 11 F4B F5A F6C ...
Page 4: ......
Page 16: ...0 11 GEN INFO General information MEMO ...
Page 66: ...5 7 ELEC Electrical system MEMO ...
Page 160: ...8 19 LOWR Lower unit MEMO ...
Page 180: ...9 19 BRKT Bracket unit MEMO ...
Page 198: ...i 5 Index MEMO ...
Page 201: ......
Page 202: ...Jan 2019 ABE E_3 ...