Installing Propeller; Changing Gear Oil - Yamaha F9.9J Owner's Manual

3. Remove the
equipped), and thrust washer.
EMU30672

Installing propeller

EMU29234
Spline models
ECM00501
NOTICE
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.
3. Install the spacer (if equipped) and the
washer. Tighten the propeller nut to the
specified torque.
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)
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.
propeller, washer
[ECM01881]
[ECM01891]
(if
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

EWM00800
WARNING
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.
Maintenance
[ECM01900]
69