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4.
Remove the gear oil drain screw and
gasket.
2
1
1. Gear oil drain screw
2. Gasket
5.
Remove the oil level plug and gasket to
allow the gear 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.
TIP:
For disposal of used gear oil, consult your
Yamaha dealer.
1
2
1. Oil level plug
2. Gasket
6.
Remove any metal particles on the mag-
ZMU06993
[ECM00713]
ZMU06994
netic gear oil drain screw. NOTICE: If
there is an excessive quantity of met-
al particles on the magnetic gear oil
drain screw, this can indicate lower
unit problem. Consult your Yamaha
dealer.
[ECM01900]
7.
Place the outboard motor in a vertical
position. 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 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:
1.040 L (1.099 US qt, 0.915 Imp.qt)
8.
Put a new gasket on the oil level plug.
When the gear oil begins to flow out of
the oil level plug hole, insert and tighten
the oil level plug to the specified torque.
Tightening torque:
9 Nm (0.92 kgf-m, 6.6 ft-lb)
9.
Put a new gasket on the gear oil drain
screw. Insert and tighten the gear oil
drain screw to the specified torque.
Maintenance
ZMU06958
85
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