Maintenance
69
EMU30671
Installing propeller
EMU29243
Spline models
WARNING
EWM00770
On counter rotation models, be sure to
use a propeller intended for counter-
clockwise rotation. These propellers are
identified with the letter “L” after the size
indication on the propeller. Otherwise the
boat could move in the opposite direction
from that expected.
NOTICE
ECM00500
Be sure to use a new cotter pin and bend
the ends over securely. Otherwise the
propeller could come off during opera-
tion and be lost.
1. Apply Yamaha marine grease or a cor-
rosion resistant grease to the propeller
shaft.
2. Install the thrust washer and propeller
on the propeller shaft.
NOTICE:
Be sure
to install the thrust washer before in-
stalling the propeller, otherwise the
lower case and propeller boss could
be damaged.
[ECM01880]
3. Install the spacer and washer. Tighten
the propeller nut to the specified torque.
4. Align the propeller nut with the propeller
shaft hole. Insert a new cotter pin in the
hole and bend the cotter pin ends.
NO-
TICE:
Do not reuse the cotter pin in-
stalled. Otherwise the propeller can
come off during operation.
[ECM01890]
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]
Propeller nut tightening torque:
55.0 Nm (5.61 kgf-m, 40.6 ft-lb)
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