Yamaha F150A, Service Manual

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8-29
Drive shaft and lower case (regular rotation model)
Installing the lower unit (L-transom
model)
• Make sure to disconnect the battery
cables from the battery, and remove the
clip from the engine shut-off switch.
• When installing the lower unit with the
power unit installed, make sure to sus-
pend the outboard motor. Otherwise, the
outboard motor could fall suddenly and
result in severe injuries.
• When loosening or tightening the pro-
peller nut, do not hold the propeller
using your hands.
1. Check that the mark “a” on the bushing
“1” is aligned with the mark “b” on the
plate “2”.
2. Set the gear shift to the N position.
3. Install a new O-ring “1” to the hose nipple
“2”, and then install the hose nipple “2” to
the lower unit “3”.
4. Install the dowels “4”.
5. Install the lower unit “3”, and then tighten
the lower case mounting bolts “5” and “6”
to the specified torque.
6. Install the trim tab “7” to its original posi-
tion “a”, and then tighten the trim tab bolt
“8” to the specified torque.
7. Install the grommet “9”.
8. Install the spacer “1”, propeller “2”,
spacer “3”, washers “4”, and propeller nut
“5”.
A. Except SDS propeller
B. SDS propeller
Shift rod socket “1”: 90890-06681
2
b
a
1
R
N
F
1
Lower case mounting bolts “5” and “6”:
48 N·m (4.8 kgf·m, 35.4 ft·lb)
Trim tab bolt “8”:
43 N·m (4.3 kgf·m, 31.7 ft·lb)
a
7
5
6
4
1
2
4
3
8
9
A
B
1
2
3
3
4 5