Yamaha F50F Service Manual page 296

TRBL
SHTG
Is it closed?
Yes
Check the power trim and tilt
fluid level.
At specified level?
Yes
Disassemble and check the
power trim and tilt unit.
Symptom 2: Power trim and tilt unit does not hold the outboard motor up.
Check that the manual valve is
closed.
Is it closed?
Yes
Check the power trim and tilt
fluid level.
At specified level?
Yes
Disassemble and check the
power trim and tilt unit.
9-23
Troubleshooting
No
Close the manual valve.
No
Add fluid to the correct level.
No
Close the manual valve.
No
Add fluid to the correct level.
6C13G11