Changing Gear Oil - Yamaha E40X Owner's Manual

Maintenance
specified torque.
Propeller nut tightening torque:
40.0 Nm (29.5 ft-lb) (4.08 kgf-m)
4. Align the propeller nut with the propeller
shaft hole. Insert a new cotter pin in the
hole and bend the cotter pin ends.
NOTE:
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.
EMU29282

Changing gear oil

EWM00800
WARNING
Be sure the outboard motor is securely
G
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
G
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.
62
3. Remove the gear oil drain screw and
gasket.
1. Gear oil drain screw
2. Oil level plug
NOTE:
If a magnetic gear oil drain screw is
ZMU02063
G
equipped, remove all metal particles from
the screw before installing it.
Always use new gaskets. Do not reuse the
G
removed gaskets.
4. Remove the oil level plug and gasket to
allow the oil to drain completely.
ECM00710
CAUTION:
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. Consult a Yamaha dealer for re-
pair of the lower unit seals.
NOTE:
For disposal of used oil, consult your
Yamaha dealer.
5. With the outboard motor in a vertical po-
sition, and using a flexible or pressur-
ized filling device, inject the gear oil into
2
1
ZMU03079