Yamaha MT-09 2021 - Checking the Shift Forks; Removing the Transmission

5-91
TRANSMISSION
EAS30430
REMOVING THE TRANSMISSION
1. Remove:
• Drive axle assembly “1”
• Shift drum retainer “2”
• Shift fork guide bar 2
•Spring
• Shift fork-L
• Shift fork-R
• Shift fork guide bar 1
•Spring
• Shift drum assembly
• Shift fork-C
2. Remove:
• Bearing housing “1”
• Main axle assembly “2”
a. Insert two bolts “3” of the proper size, as
shown in the illustration, into the main axle
assembly bearing housing.
b. Tighten the bolts until they contact the
crankcase surface.
c. Continue tightening the bolts until the main
axle assembly comes free from the upper
crankcase.
3. Remove:
• Oil delivery pipe “1”
• Oil nozzle “2”
• Bearing cover plate “3”
• Bearing “4”
EAS30431
CHECKING THE SHIFT FORKS
The following procedure applies to all of the shift
forks.
1. Check:
• Shift fork cam follower “1”
• Shift fork pawl “2”
Bends/damage/scoring/wear → Replace the
shift fork.
2. Check:
• Shift fork guide bar 1
• Shift fork guide bar 2
Roll the shift fork guide bar on a flat surface.
Bends → Replace.
WARNING
EWA12840
Do not attempt to straighten a bent shift fork
guide bar.
3. Check:
• Shift fork movement
(along the shift fork guide bar)
Rough movement → Replace the shift forks
and shift fork guide bar as a set.
1
2
1
2
3
2
3
1
4
G089022
G089023