Yamaha F40B - Checking the Shift Rod; Checking the Lower Case; Assembling the Lower Case

LOWR
Lower unit
6-15 67C3K11
2. Measure the drive shaft runout. Replace
if above specification.
Checking the shift rod
1. Check the shift rod. Replace if bent or
worn.
Checking the lower case
1. Check the skeg, torpedo, and anti-cavita-
tion plate. Replace the lower case if
cracked or damaged.
Assembling the lower case
1. Install the original forward gear shim(s)
1 and a new taper roller bearing outer
race 2.
2. Install a new needle bearing into the
lower case to the specified depth a.
NOTE:
• Install the needle bearing with the manufac-
ture identification mark b facing upward.
• Install the stopper c onto the driver rod SL
5 at the installation depth a as shown.
Install the needle bearing until the stopper
c contacts the special service tool 6.
3. Install the drive shaft sleeve, pinion
shim(s), and a new taper roller bearing
outer race.
Drive shaft runout limit:
0.5 mm (0.0197 in)
Driver rod LL 3: 90890-06605
Bearing outer race attachment 4:
90890-06622
S67C6037
S67C6039
21
G
21
3
4
Driver rod SL 5: 90890-06602
Bearing depth plate 6: 90890-06603
Needle bearing attachment 7:
90890-06614
Installation depth a:
182.5–183.0 mm (7.19–7.20 in)
S67C6041
G
7
a
b
c
5
5
7
6
6
S67C6094
8
9
G