Yamaha F150D - Trouble Recovery; General Troubleshooting

Maintenance
77
thrust washer before installing the
propeller. Otherwise, the lower case
and propeller boss could be damaged.
[ECM01882]
3. Install the spacer, washer, and propeller
nut. Tighten the propeller nut to the
specified torque.
4. Align the propeller nut slot with the pro-
peller 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.
[ECM01892]
TIP:
If the propeller nut slot does not align with the
propeller shaft hole after tightening the pro-
peller nut to the specified torque, tighten the
nut further to align the slot with the hole.
EMU47100
Changing gear oil
WARNING
EWM00801
 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 pos-
sible.
2. Place a suitable container under the gear
case.
3. Remove the gear oil drain screw and
gasket. The screw is magnetic so a small
quantity of metal particles on the end of
the screw is normal. Simply remove
them. NOTI CE : If there is an excessive
quantity of metal particles on the
1. Cotter pin
2. Propeller nut
3. Washer
4. Spacer
5. Propeller
6. Thrust washer
Propeller nut tightening torque:
54 N·m (5.51 kgf·m, 39.8 lb·ft)
4
3
2
1
5
6
ZMU07899
1. Cotter pin
1
ZMU06956
U63P7KE0.book Page 77 Wednesday, November 29, 2017 11:06 AM