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Maintenance
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. The screw is magnetic so a small
quantity of metal particles on the end of
the screw is normal. Simply remove
them. NOTICE: If there is an excessive
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. Gasket
TIP:
Always use new gaskets. Do not reuse the re-
moved gaskets.
4.
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.
81
[ECM01901]
2
1
ZMU07781
[ECM00714]
1. Gasket
2. Oil level plug
TIP:
For disposal of used oil, consult your Yamaha
dealer.
5.
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 outboard gear oil or Hyp-
oid gear oil
Recommended gear oil grade:
SAE 90 API GL-4 / SAE 80W API GL-
5 / SAE 90 API GL-5
Gear oil quantity:
0.980 L (1.036 US qt, 0.862 Imp.qt)
6.
Put a new gasket on the oil level plug.
When the oil begins to flow out of the oil
level plug hole, insert and tighten the oil
level plug to the specified torque.
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ZMU07782
ZMU07783
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