Yamaha F50D Servise Manual page 257

2. While holding the special service tool 3,
strike the tool to check that the taper
roller bearing outer race is installed prop-
erly. If a high-pitched metallic sound is
produced when the special service tool is
struck, the outer race is installed prop-
erly.
4
Driver rod LL 3: 90890-06605
Bearing outer race attachment 4:
90890-06621
3. Install a new needle bearing into the
lower case to the specified depth.
c
7
a
5
6
Driver rod SL 5: 90890-06602
Needle bearing attachment 6:
90890-06611
Bearing depth plate 7: 90890-06603
Installation depth a:
187.6–188.6 mm (7.39–7.43 in)
3
3
4
b
5
6
Drive shaft and lower case (FT50C)
TIP:
9 Install a new needle bearing with the manu-
facture identification mark b facing upward.
9 When using the driver rod, do not strike the
special service tool in a manner that will
force the stopper c out of place.
4. Install the drive shaft sleeve 8, original
shim(s) 9, and a new taper roller bear-
ing outer race 0. NOTICE: When heat-
ing the lower case, heat the entire
installation area evenly. Otherwise,
the paint on the lower case could be
burned.
F
c
TIP:
9 Install the drive shaft sleeve with the protru-
sion c facing forward.
9
Do not reuse a shim if it is any deformed or
scratched.
5. While holding the special service tool 3,
strike the tool to check that the taper
roller bearing outer race is installed prop-
erly. If a high-pitched metallic sound is
produced when the special service tool is
struck, the outer race is installed prop-
erly.
0
1
2
3
0
9
4
8
5
6
7
8
9
10
A
8-58