Maintenance
69
3.
Remove the propeller, washer (if
equipped), and thrust washer.
EMU30672
Installing propeller
EMU29234
Spline models
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 spacer (if equipped), thrust
washer, washer (if equipped), and pro-
peller on the propeller shaft.
NOTICE:
Make sure to install the thrust washer
before installing the propeller. Other-
wise, the lower case and propeller
boss could be damaged.
[ECM01881]
3.
Install the spacer (if equipped) and the
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.
EMU2928B
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 oc-
cur if the outboard motor accidentally
falls.
1.
Tilt the outboard motor so that the gear oil
drain screw is at the lowest point possi-
ble.
2.
Place a suitable container under the gear
case.
3.
Remove the gear oil drain screw and gas-
ket.
NOTICE:
If there is an excessive
quantity of metal particles on the mag-
netic gear oil drain screw, this can in-
dicate lower unit problem. Consult
your Yamaha dealer.
[ECM01900]
Propeller nut tightening torque:
F9.9JE 17 Nm (1.73 kgf-m, 12.5 ft-lb)
F9.9JMH 17 Nm (1.73 kgf-m,
12.5 ft-lb)
FT9.9LE 21 Nm (2.14 kgf-m,
15.5 ft-lb)
FT9.9LEP 21 Nm (2.14 kgf-m,
15.5 ft-lb)
FT9.9LMH 21 Nm (2.14 kgf-m,
15.5 ft-lb)
U6DR70E0.book Page 69 Thursday, December 6, 2012 9:14 AM
