Maintenance
91
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]
If the propeller nut does not align with the
propeller shaft hole after tightening to the
specified torque, tighten the nut further to
align it with the hole.
EMU2928B
Changing gear oil
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
occur if the outboard motor accidental-
ly 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. NOTICE: If there is an exces-
sive quantity of metal particles on the
magnetic gear oil drain screw, this
can indicate lower unit problem. Con-
sult your Yamaha dealer.
[ECM01900]
If a magnetic gear oil drain screw is
Propeller nut tightening torque:
F50B 35 Nm (3.57 kgf-m, 25.8 ft-lb)
F50HB 35 Nm (3.57 kgf-m, 25.8 ft-lb)
F60B 35 Nm (3.57 kgf-m, 25.8 ft-lb)
F60HB 35 Nm (3.57 kgf-m, 25.8 ft-lb)
F70A 34 Nm (3.47 kgf-m, 25.1 ft-lb)
F70HA 34 Nm (3.47 kgf-m, 25.1 ft-lb)
T50B 35 Nm (3.57 kgf-m, 25.8 ft-lb)
T60B 35 Nm (3.57 kgf-m, 25.8 ft-lb)
1. Gear oil drain screw
2. Oil level plug
6C1-9-3B-1E0.book 91 ページ ２０１２年１１月１９日 月曜日 午前１０時３５分
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