17 ENGINE
- Change the needle bearings and collar bushing.
- Check the intermediate clutch discs
41)
for damage and wear.
If the intermediate clutch discs are not level and have pittings:
- Change all intermediate clutch discs.
- Check clutch facing discs
C,
for discoloration and scoring.
If there is discoloration or scoring:
- Change all clutch facing discs.
- Check the thickness of clutch facing discs
C,.
I
Clutch facing disc - thickness
I
;:,,:
1.9 mm (;c,: 0.075 in)
If the clutch facing disc does not meet specifications:
- Change all clutch facing discs.
17.4.34 Checking the shift mechanism
e
j\
0-�
- Check shift forks
O
at leaf
9
for wear.
Shift fork
Thickness at leaf
If the measured value does not meet specifications:
- Change the shift fork.
- Check shift grooves
@)
of shift drum @ for wear.
If the shift groove is worn:
- Change the shift drum.
- Check the seat of the shift drum in bearing
8.
If the shift drum is not correctly seated:
- Change the shift drum and/or bearing.
- Check bearing
8
for stiffness and wear.
If the bearing does not move easily or is worn:
- Change the bearing.
- Check shift rollers
8
for surface damage and cracking.
If the shift roller exhibits surface damage or cracking:
- Change the shift drum.
- Check springs
0
of the shift rails for damage and wear.
If the spring is damaged or worn:
- Change the spring of the shift rail.
304687-10
4.85 ... 4.95 mm (0.1909 ... 0.1949 in)
161
