Maintenance
71
3.
Remove the propeller, washer (if
equipped), and thrust washer.
EMU30672
Installing propeller
EMU29244
Spline models
WARNING
EWM00770
On counter rotation models, be sure to
use a propeller intended for counterclock-
wise rotation. These propellers are identi-
fied with the letter “L” after the size
indication on the propeller. Otherwise the
boat could move in the opposite direction
from that expected.
NOTICE
ECM00501
Make 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 corro-
sion resistant grease to the propeller
shaft.
2.
Install the thrust washer and propeller on
the propeller shaft.
NOTICE:
Make sure
to install the thrust washer before in-
stalling the propeller. Otherwise, the
lower case and propeller boss could
be damaged.
[ECM01881]
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.
NOTICE:
Do not reuse the cotter pin.
Otherwise, the propeller can come off
during operation.
[ECM01891]
TIP:
If the propeller nut does not align with the pro-
peller shaft hole after tightening to the speci-
fied torque, tighten the nut further to align it
with the hole.
EMU29289
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.
1. Cotter pin
2. Propeller nut
3. Washer
4. Spacer
5. Propeller
6. Thrust washer
Propeller nut tightening torque:
55.0 Nm (5.61 kgf-m, 40.6 ft-lb)
U63P7AE0.book Page 71 Thursday, February 25, 2010 1:14 PM