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Maintenance
84
T
IP:
If the propeller nut does not align with the
propeller shaft hole after tightening to the
specified torque, tighten the nut further to
align it with the hole.
EMU29287
Changing gear oil
WARNING
EWM00800
●
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
occur if the outboard motor accidental-
ly 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.
[ECM01900]
T
IP:
●
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
removed gaskets.
4. Remove the oil level plug and gasket to
allow the oil to drain completely.
NOTICE:
Inspect the used oil after it
has been drained. If the oil is milky,
water is getting into the gear case
which can cause gear damage. Con-
sult a Yamaha dealer for repair of the
lower unit seals.
[ECM00711]
T
IP:
For disposal of used oil, consult your
Yamaha dealer.
5. Put the outboard motor in a vertical po-
sition. Using a flexible or pressurized fill-
ing device, inject the gear oil into the
gear oil drain screw hole.
ZMU02063
1. Gear oil drain screw
2. Oil level plug
ZMU03273
2
1