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F
bk
7
Shift mechanism
– Check the shift forks
thickness of 4.8 to 4.9 mm when new, the wear limit is 4.6 mm.
– Check the shift grooves
– Check the fit of the shift drum in the grooved ball bearing
– Check the grooved ball bearing
– Check the shaft rollers
– Check the shift rails
shift rails for score marks and seizing marks. The shift forks must
operate smoothly on the shift rails.
– Check the shift rail
return surface
indentation).
– Check the guide bolt
– Pre-mount the shift shaft and check the clearance
shift rail
6
0.40 - 0.80 mm.
6
9
8
bl
on the leaf
1
A
on the shift drum
B
for smooth operation.
3
for pressure points and cracks.
4
for runout on an even surface. Check the
5
at the contact areas
6
on the shift rail for wear (replace in case of severe
D
for a tight fit and wear.
E
and the shift quadrant. The clearance must lie between
Pre-mounting the shift shaft
– Clamp the short end of the shift shaft in a vise (use
protective jaws).
– Mount the shift rail
6
down and attach the guide bolt to the shift
quadrant.
– Mount the pressure spring
– Slide on the spring guide
over the spring guide with the angled end up
9
and lift the angled end over the dolly bolt
illustration).
– Mount the stop disk
.
bl
5-20
for wear. The forks have a
for wear.
2
.
3
for wear. Check the
C
between the
F
with the guide bolt facing
.
7
, slide the return spring
8
(see
bk
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Table of Contents
Troubleshooting
