Changing Gear Oil - Yamaha F9.9 Manuel De L'utilisateur

EMU46510
Dual thrust models
ECM00502
NOTICE
Make sure to use a new cotter pin and
bend the ends over securely. Otherwise,
the propeller could come off during oper-
ation and be lost.
1. Apply Yamaha marine grease or a corro-
sion resistant grease to the propeller
shaft.
2. Install the thrust washer, washer, and
propeller 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.
3. Install the spacer and the washer. Tight-
en the propeller nut to the specified
torque.
6 3
1. Cotter pin
2. Propeller nut
3. Washer
4. Spacer
5. Propeller
6. Thrust washer
Propeller nut tightening torque:
21 N·m (2.14 kgf·m, 15.5 lb·ft)
4. Align the propeller nut with the propeller
shaft hole. Insert a new cotter pin in the
hole and bend the cotter pin ends.
TIP:
If the propeller nut does not align with the
propeller shaft hole after tightening to the
[ECM01882]
specified torque, tighten the nut further to
align it with the hole.
EMU47070

Changing gear oil

EWM00801
1
 Be sure the outboard motor is securely
fastened to the transom or a stable
stand. You could be severely injured if
4 3 2 the outboard motor falls on you.
 Never get under the lower unit while it is
5
tilted, even when the tilt support lever or
knob is locked. Severe injury could oc-
cur if the outboard motor accidentally
ZMU08170
falls.
1.
2.
3.
Maintenance
NOTICE: Do not reuse the cotter pin.
Otherwise, the propeller can come off
during operation.
[ECM01892]
WARNING
Tilt the outboard motor so that the gear
oil drain screw is at the lowest point pos-
sible.
Place a suitable container under the gear
case.
Remove the gear oil drain screw and
gasket. NOTICE: If there is an exces-
sive quantity of metal particles on the
ZMU02063
87