Checking The Shift Mechanism - KTM 350 EXC-F EU Repair Manual

18 ENGINE

18.4.36 Checking the shift mechanism

–

Check shift forks on disc
» If there is damage or wear:
–
Change the shift fork.
–
Check shift grooves 
» If the shift groove is worn:
–
Change the shift drum.
–
Check the seating of the shift drum in the grooved ball bearings
» If the shift drum is not correctly seated:
–
Change the shift drum and/or the grooved ball bearing.
–
Check grooved ball bearing
» If the grooved ball bearings are stiff or worn:
–
Change the grooved ball bearing.
–
Check the shift rollers for damage and wear.
» If there is damage or wear:
–
Change the shift rollers.
–
Check the springs of shift rails
» If the spring is damaged or worn:
–
Change the spring of the shift rail.
–

Check the shift rails
» If there is run-out:
–
Change the shift rail.
–
Check the shift rails for scoring, wear and smooth operation in the shift forks.
» If scoring or wear is present or of the shift fork is stiff:
–
Change the shift rail.
–

Check sliding plate
» If the sliding plate is worn:
–
Change the sliding plate.
–
Check return surface 
» If there is severe grooving:
–
Change the sliding plate.
–

Check guide bolts for firm seating and wear.
» If the guide bolts are loose or worn:

for damage and wear (visual check).
of shift drum  for wear.

for smooth operation and wear.
 for damage and wear.
for run-out on a flat surface.

for wear on contact areas
on the sliding plate for wear.
305008-10

.
.
177