Yamaha F4B, Service Manual

Page: 157 / 202

8-16
Drive shaft and lower case
0
1
2
3
4
5
6
7
8
9
10
A
Installing the lower unit (S-transom
model)
• Make sure to remove the clip from the
engine shut-off switch.
• Do not hold the propeller with your
hands when loosening or tightening the
propeller nut.
• When installing the lower unit with the
power unit installed, make sure to sus-
pend the outboard motor. If the outboard
motor is not suspended, it can fall sud-
denly and result in severe injuries.
1. Move the shift lever to the R position.
2. Set the gear shift to the R position.
3. Install the dowels
a
.
4. Install the lower unit
b
to the upper case,
and then tighten the lower case mounting
bolts
c
to the specified torque.
5. Install the anode
d
.
TIP:
Make sure that the cooling water pipe
e
is
inserted securely into the rubber seal
f
.
6. Install the joints
g
and
h
, and then
tighten the shift joint bolt
i
to the
specified torque.
7. Install the covers
j
.
8. Move the shift lever to the N position.
9. Install the spacer
k
, propeller
l
, washer
m
, and propeller nut
n
.
N
F
R
Lower case mounting bolt
c
:
11 N·m (1.1 kgf·m, 8.1 ft·lb)
Shift joint bolt
i
:
16 N·m (1.6 kgf·m, 11.8 ft·lb)
a
a
b
c
c
d
e
f
j
j
h
g
i