Maintenance
88
magnetic gear oil drain screw, this
can indicate lower unit problem. Con-
sult your Yamaha dealer.
[ECM01901]
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.
[ECM00714]
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.
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.
7.
Put a new gasket on the gear oil drain
screw. Insert and tighten the gear oil
drain screw to the specified torque.
1. Gear oil drain screw
2. Gasket
1. Gasket
2. Oil level plug
1
2
ZMU07781
2
1
ZMU07782
Recommended gear oil:
Yamalube Marine Gearcase Lube HD
or Hypoid 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)
Tightening torque:
9 Nm (0.92 kgf-m, 6.6 ft-lb)
Tightening torque:
9 Nm (0.92 kgf-m, 6.6 ft-lb)
ZMU07783
U63P3GE0.book Page 88 Monday, December 15, 2014 2:02 PM
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2019 Yamaha Motor Corporation, U.S.A.
