5-2
Repair manual KTM 85 SX Art No 3.206.008-E
Working on the right-hand housing half
Remove all shaft seal rings and use an oven to heat the casing half to
approx. 150°C.
The bearings usually fall out of their seat of their own accord by
knocking the housinq half on a plane piece of wood when the housing
has a temperature of 150° C.
Grooved ball bearing of crankshaft
1.
Press old grooved ball-bearing inwards. Press in new grooved ball
bearing from inside up to the stop.
Grooved ball bearing of main shaft
2
Press in new ball bearing from inside up to the stop.
Grooved ball bearing of countershaft
3
Press in new grooved ball bearing from downward to the stop.
Grooved ball bearing of the shift roller
4
Press the old bearing towards the inside. Press in a new grooved ball
bearing from the inside to the stop.
Needle bushing of the shift shaft
5
Press old needle bushing inwards, press in new needle bushing flush
from the outside.
Grooved ball bearing of centrifugal timer
6
Use a self-made "supporting plate" to support the puller to avoid
damage to the housing (see illustration).
Pull out the bearing using a Ø 5-8 mm inside puller (151.12.018.200,
151.12.017.000).
Press in new grooved ball bearing to the stop.
Grooved ball bearing for the water pump
7
Use a self-made "supporting plate" to support the puller to avoid
damage to the housing (see illustration).
Pull out the bearing using a Ø 5-8 mm inside puller (151.12.018.200,
151.12.017.000).
Press in new grooved ball bearing to the stop.
Crankshaft seal ring
8
Press in new shaft seal ring from the outside, with sealing lip facing
inward, until flush.
–Finally check clear passage of the crankshaft ball bearing lubrication
bore
A.
1
2
3
4
5
6
A
7
8
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