5-21
General information on servicing the transmission
Clamp the main shaft or countershaft in a vise (use protective jaws). Remove the gear wheels and check the following parts for
wear and seizing marks:
– Bearings
– Pivot points on the main shaft and countershaft and pivot points on the idler gears
– Shift dogs
– Tooth faces on all gear wheels
– Tooth profiles on the main shaft and countershaft as well as the corresponding gear
wheels
– Profiles of all sliding gears for smooth operation
Carefully clean all parts, replace any damaged and
4
+
6
parts.
Mount new circlips whenever you repair the transmission.
Assembling the main shaft
– Clamp the main shaft in the vise with the toothed end facing down (use protective jaws).
– Carefully oil all parts before mounting.
– Mount the split needle bearing
1
, mount the 5-speed idler gear
2
with the shift dogs
facing up.
– Mount the stop disk
3
(22x28,5x1mm) and circlip
4
with the sharp edge facing up.
– Slip on the 3rd/4th gear sliding gear
5
with the small gear wheel on the bottom and
mount the circlip
6
.
– Slip on the stop disk
7
and the split needle bearing
8
.
– Slip on the 6th gear sliding gear
9
with the recess facing up.
– Slip on the 2nd gear fixed gear
bk
with the collar facing down and mount the stop disk
bl
(17.2x24x1mm).
– Finally, check all of the gear wheels for smooth operation.
1
2
3
4
5
6
7
9
8
bk
bl
Summary of Contents for 2005 250 EXC-F SIX DAYS
Page 2: ......
Page 3: ...REPAIRMANUAL2005 2008 250 SX F EXC F EXC F Six Days XCF W XC F SXS F KTM Group Partner ...
Page 4: ......
Page 6: ......
Page 8: ......
Page 10: ......
Page 12: ......
Page 14: ......
Page 16: ......
Page 22: ......
Page 24: ......
Page 34: ......
Page 46: ......
Page 66: ...5 19 1 2 3 4 4 5 5 4 A D 6 7 8 9 C E B 1 1 ...
Page 70: ......
Page 72: ......
Page 88: ......
Page 96: ......
Page 110: ......
Page 111: ...TROUBLE SHOOTING Repair manual KTM 250 F Art No 3 206 052 E TROUBLE SHOOTING 9 2 INDEX 9 1 9 ...
Page 112: ......
Page 116: ......
Page 128: ......
Page 140: ......
Page 142: ......