Checking The Shift Mechanism - KTM 450 EXC-R EU Repair Manual

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30/ENGINE - WORK ON INDIVIDUAL PARTS

Checking the shift mechanism

0 0 7
7
0 0 D
D
C
0 0 C
0 0 E
E
A
0 0 A
1
0 0 1
5
0 0 5
0 0 4
4
3
0 0 3
B
0 0 B
2
0 0 2
3
0 0 3
0 0 5
5
0 0 6
6
5
0 0 5
Check intermediate discs
»
If the intermediate discs are not level and have pittings:
Check clutch facing discs
»
If there is discoloration or scoring:
Check the thickness of clutch facing discs
Clutch facing disc - thickness
»
If the clutch facing disc does not meet specifications:
Check the pretension ring and support ring
»
If there is damage or wear:
Check inner clutch hub
»
If there is damage or wear:
Check shift forks
Shift fork
Thickness at leaf
»
If the measured value does not equal the specified value:
Check shift grooves
»
If the shift groove is worn:
Check the seat of the shift roller in the grooved ball bearing
0 0 6
6
»
If the shift roller is not seated correctly:
5
0 0 5
Check grooved ball bearing
»
If the grooved ball bearing does not move freely or is worn:
1
0 0 1
Check shift drums
4
0 0 4
»
If the shift drum has surface damage and cracks:
1
0 0 1
4
0 0 4
Check springs
»
If the spring is broken or worn:
200174-01
Check the shift rails
»
If there is run-out:
Check shift rails for grooving, signs of corrosion and smooth operation in the shift
fork.
»
The shift rail has grooving or signs of corrosion or is not smooth in operation in
the shift fork:
Check the sliding plate
»
If the sliding plate is worn:
Check return surface
»
If deep notches are present:
Check guide pin
»
If the guide pin is loose and/or worn:
Preassemble the shift shaft. (
for damage and wear.
Change all intermediate discs.
for discoloration and scoring.
Change all clutch facing discs.
Change all clutch facing discs.
Change the pretension ring and support ring.
for damage and wear.
Change the inner clutch hub.
at leaf
for wear.
Change the shift fork.
of the shift roller
Change the shift roller.
Change the shift roller and/or the grooved ball bearing.
for smooth operation and wear.
Change the grooved ball bearing.
for surface damage and cracks.
Change the shift drum.
of the shift rails for damage and wear.
Change the spring of the shift rail.
on a flat surface for run-out.
Change the shift rail.
Change the shift rail.
in the contact areas
Change the sliding plate.
on the sliding plate for wear.
Change the sliding plate.
for firm fitting and wear.
Change the sliding plate.
P. 91)
.
2.6... 2.7 mm (0.1... 0.11 in)
for damage and wear.
4.85... 4.95 mm (0.19... 0.19 in)
for wear.
.
for wear.
90

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