Preassembling The Shift Shaft - KTM 450 SX-F EU Repair Manual

30JENGINE - WORK ON THE INDIVIDUAL PARTS
- Change the grooved ball bearing.
- Check the shift roilers for damage and wear.
~
If there is damage or wear:
- Change the shift railers.
- Check the springs of the shift rails for damage and wear.
• If the spring is damaged or worn:
-
Change the spring of the shift rail.
- Check the shift rails for run-out on a flat surface.
~ 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 for wear on contact areas
• If the sliding plate is worn:
- Change the sliding plate.
- Check return surface on the sliding plate for wear.
~
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:
- Change the sliding plate.
- Preassemble the shift shaft.
('r
p. 154)
- Check clearance between the sliding plate and the shift quadrant.
300122-01
Preaaemblinl the
shill shall
Shift shaft - sliding plate/shift quad-
rant clearance
0.40 ... 0.80 mm (0.0157 ...
0.0315 in)
• If the measured value does not meet specifications:
- Change the sliding plate.
- Secure the short end of the shift shaft in the bench vise.
Guideline
I
Use soft jaws.
154
- Mount sliding plate with the guide pin facing downward and put the guide pin
on the shift quadrant.
- Mount pressure spring
- Slide on spring guide ,push return spring ,with the offset end facing upward,
over the spring guide and lift the offset end over abutment bolt
- Mount stop disk