Working On The Left Section Of The Engine Case - KTM 350 EXC-F EU 2012 Repair Manual

30/ENGINE - WORK ON THE INDIVIDUAL PARTS

Working on the left section of the engine case

20.2
–
Position all bearing locks.
–
Mount and tighten screws
Guideline
Locking screw for bearing
–
Blow out the oil channel with compressed air and check that it is clear.
400997-01
–
Remove all dowels.
–
Remove shaft seal ring
–
Remove oil jet
–
Remove oil jet
–
Remove screws
–
Remove any sealing mass remnants and clean the engine case section thoroughly.
–
Warm the engine case section in an oven.
Guideline
150 °C (302 °F)
–
Knock the engine case section against a level wooden plate. This will cause the
bearings to drop out of the bearing seats.
Info
Any bearings that remain in the engine case section must be removed using
a suitable tool.
–
Insert the new cold bearings in the bearing seats of the heated section of the
engine case; if necessary, use a suitable press drift to push them all the way in and
make them flush.
302691-10
Info
When pressing the bearing in, ensure that the engine case section is level to
prevent damage.
Only press the bearings in via the outer ring; otherwise, the bearings will be
damaged when they are pressed in.
–
After the engine case section has cooled, check that the bearings are firmly seated.
Info
If the bearings are not firmly seated after cooling, it is likely that they will
rotate in the engine case when warm. In this case, the engine case must be
renewed.
–
Mount the dowels.
–
Press in shaft seal ring
flush.
–
Press in shaft seal ring
in.
–
Press in shaft seal ring
ing in.
–
Mount and tighten oil jet
Guideline
Oil jet for clutch lubrica-
tion
.
5
M5
of the crankshaft,
1
for coupling lubrication.
4
for piston cooling.
5
. Remove the bearing retainers.
6
of the crankshaft with the open side facing out so it is
1
of the shift shaft so it is flush with the open side facing
2
of the countershaft so it is flush with the open side fac-
3
.
4
M5
6 Nm Loctite ® 243™
(4.4 lbf ft)
shift shaft and countershaft.
2 3
6 Nm Loctite ® 243™
(4.4 lbf ft)
133