Outboard motor troubleshooting
4-14
Symptom 1: PTT unit does not hold the outboard motor up.
Troubleshooting the lower unit
Symptom 1: Shift mechanism of the forward gear and reverse gear does not operate properly.
Symptom 2 Cause Checking steps
See
p
age
PTT fluid pressure
does not incre
ase
Manual valve open Check the manual valve. 9-25
Insufficient PTT fluid Add sufficient PTT fluid. 10-21
PTT fluid leakage Check for PTT fluid leakage. 10-5
Clogged fluid passages
Disassemble and check the PTT
unit.
9-35
9-39
Check the valves for damage. 9-37
Check the fluid passages for
obstr
uctions.
9-35
9-39
Symptom 2 Cause Checking steps
See
p
age
—
Shift cable is not adjusted
prope
rly
Adjust the shift cable. 3-5
Shift rod does not operate
prope
rly
Check the shift rod for wear. 8-4
Check the detent mechanism. 9-9
—
Shift mechanism malfunc-
tion (in lower unit)
Check the shift rod connection. 8-17
Check the dog clutch. 8-8
Check the forward gear, reverse
gear
, and pinion for damage and
wear.
8-12
8-8
8-12
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