Changing Gear Oil - Yamaha F50F Owner's Manual

Maintenance
specified torque, tighten the nut further to
align it with the hole.
EMU29282

Changing gear oil

EWM00800
WARNING
Be sure the outboard motor is securely
G
fastened to the transom or a stable
stand. You could be severely injured if
the outboard motor falls on you.
Never get under the lower unit while it
G
is tilted, even when the tilt support lever
or knob is locked. Severe injury could
occur if the outboard motor accidental-
ly falls.
1. Tilt the outboard motor so that the gear
oil drain screw is at the lowest point pos-
sible.
2. Place a suitable container under the
gear case.
3. Remove the gear oil drain screw and
gasket.
1. Gear oil drain screw
2. Oil level plug
NOTE:
If a magnetic gear oil drain screw is
G
equipped, remove all metal particles from
the screw before installing it.
Always use new gaskets. Do not reuse the
G
66
removed gaskets.
4.
ECM00710
CAUTION:
Inspect the used oil after it has been
drained. If the oil is milky, water is getting
into the gear case which can cause gear
damage. Consult a Yamaha dealer for re-
pair of the lower unit seals.
NOTE:
For disposal of used oil, consult your
Yamaha dealer.
5.
2
1
ZMU03273
Remove the oil level plug and gasket to
allow the oil to drain completely.
With the outboard motor in a vertical po-
sition, and using a flexible or pressur-
ized filling device, inject the gear oil into
the gear oil drain screw hole.
Recommended gear oil:
Hypoid gear oil SAE#90
Gear oil quantity:
F50FEHT 430.0 cm
(15.17 Imp.oz)
F50FET 430.0 cm
(15.17 Imp.oz)
F60CEHT 430.0 cm
(15.17 Imp.oz)
F60CET 430.0 cm
(15.17 Imp.oz)
FT50GET 670.0 cm
(23.63 Imp.oz)
FT60DET 670.0 cm
(23.63 Imp.oz)
3
(14.54 US oz)
3
(14.54 US oz)
3
(14.54 US oz)
3
(14.54 US oz)
3
(22.65 US oz)
3
(22.65 US oz)