10-15
General periodic maintenance
Changing the gear oil using an oil
changer
If the outboard motor cannot be tilted up 60°
or more due to the boat on which the outboard
motor is mounted, this method cannot be
used to change the gear oil. Use the usual
method for changing the gear oil, or place the
outboard motor in an upright position and fill
the lower unit with the specified gear oil quan-
tity.
1. Remove:
•Top cowling
2. Drain:
•Gear oil
a. Fully tilt the outboard motor up, and
then support it using the tilt support le-
ver “1”.
b. Remove the bands “1”.
c. Connect the oil socket “1”, hose “2”,
and oil changer “3”.
A hose with an inner diameter of 6 mm (0.24 in)
or more is recommended.
d. Connect the oil socket “1” that is con-
nected to the oil changer to the quick
connector “2” with the “OIL” mark and
connect the air socket “3” to the quick
connector “4” with the “AIR” mark.
e. Extract the gear oil using the oil chang-
er.
Oil level plug
2.5 N·m (0.25 kgf·m, 1.8 lb·ft)
Upper water inlet cover bolt
2.5 N·m (0.25 kgf·m, 1.8 lb·ft)
Gear oil attachment kit “1”
90890-06963
Oil socket “2”
90890-06964
Air socket “3”
90890-06965
Joint “4”
90890-06966
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