KTM 400-660 LC4 1998-2005, Repair Manual

Page: 61 / 501

Repair manual KTM LC4
Art.-Nr
. 3.206.014 -E
Working on the right housing half
Remove shaft seal rings and heat housing half to approx. 150° C by
means of a hot-plate.
Roller bearing of crankshaft
1
Proceed as for left housing half.
Cylinder roller bearing of counter shaft 2
Remove shaft seal ring. Press old bearing inwards. Press in new bearing
from inside as far as stop.
Oil ducts
3
Use compressed air to clean all oil ducts. Ensure that the oil ducts are
not clogged.
Counter shaft seal ring
4
Press in new shaft seal ring from outside until flush.
Crankshaft seal ring
8
Press in new shaft seal ring from outside until flush.
NOTE: Engine with an electric starter have a stop disk instead of the
shaft seal ring
5
. Do not remove this disk.
Needle bearing of main shaft
6
Pull old bearing from bearing seat using bearing extracto
151.12.017.000 and insert. In order to apply the bearing extractor in an
vertical position, a steel plate (see special tools) must be laid on the
sealing area of the housing. The bearing extractor jaws should fit as
close as possible up to the housing walls. Then press in new bearing
from inside until flush.
Oil nozzle
7
For the cleaning of the oil nozzle and the oil duct simply blow it
through with compressed air from the nozzle side. If the oil nozzle is
disassembled, secure it with Loctite 243 when mounting again.
Then check the lubrication bore
A
of the crankshaft roller bearing for
free passage.
After the case half has cooled down, check bearings for secure fit.
5-3E
1
2
3
3
5
4
6
6
7
A
8