Changing Gear Oil - Yamaha F9.9 Owner's Manual

EMU47070

Changing gear oil

EWM00801
WARNING
 Be sure the outboard motor is securely
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 is
tilted, even when the tilt support lever or
knob is locked. Severe injury could oc-
cur if the outboard motor accidentally
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. NOTICE: If there is an exces-
sive quantity of metal particles on the
magnetic gear oil drain screw, this
can indicate lower unit problem. Con-
sult your Yamaha dealer.
1. Gear oil drain screw
2. Oil level plug
TIP:
 If a magnetic gear oil drain screw is
equipped, remove all metal particles from
the screw before installing it.
 Always use new gaskets. Do not reuse the
4.
TIP:
For disposal of used oil, consult your Yamaha
dealer.
5.
[ECM01901]
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Maintenance
removed gaskets.
Remove the oil level plug and gasket to
allow the oil to drain completely.
NOTICE: Check the used gear oil after
it has been drained. If the gear oil is
milky or contains water or a large
amount of metal particles, the gear
case may be damaged. Have a
Yamaha dealer check and repair the
outboard motor.
Put the outboard motor in a vertical posi-
tion. Using a flexible or pressurized filling
device, inject the gear oil into the gear oil
drain screw hole.
Recommended gear oil:
Yamalube Marine Gearcase Lube or
Hypoid gear oil
Recommended gear oil grade:
SAE 90 API GL-4
Gear oil quantity:
0.150 L (0.159 US qt, 0.132 Imp.qt)
(F9.9EB, F9.9EHB, F9.9MHB)
0.370 L (0.391 US qt, 0.326 Imp.qt)
(T9.9EB, T9.9MHB, T9.9PB,
T9.9PHB, T9.9WHB)
[ECM00714]
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