Changing Gear Oil - Yamaha F50D Owner's Manual

Maintenance
specified torque, tighten the nut further to
align it with the hole.
EMU29281

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.
1. Gear oil drain screw
2. Oil level plug
NOTE:
If the magnetic gear oil drain screw
equipped: remove all metal particles from
the screw before installing it.
4. Remove the oil level plug to allow the oil
55
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
6.
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:
F50TR 430.0 cm
(15.17 Imp.oz)
F60TR 430.0 cm
(15.17 Imp.oz)
T50TR 670.0 cm
(23.63 Imp.oz)
T60TR 670.0 cm
(23.63 Imp.oz)
When the oil begins to flow out of the oil
level plug hole, insert and tighten the oil
3
(14.54 US oz)
3
(14.54 US oz)
3
(22.65 US oz)
3
(22.65 US oz)
ZMU03274