30/Engine - Work On The Individual Parts; Work On The Right Section Of The Engine Case - KTM 350 EXC-F EU 2012 Repair Manual

30/ENGINE - WORK ON THE INDIVIDUAL PARTS

Work on the right section of the engine case

20.1
–
Remove all dowels.
–
Remove shaft seal ring
–
Remove jet
–
Remove oil jet
–
Remove screw
–
Remove the oil jet for piston cooling.
–
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.
302690-10
–
Blow out oil jet
Guideline
Oil jet for balancer shaft
lubrication
–
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.
Info
302911-10
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.
–
Mount and tighten jet
Guideline
Jet, crank chamber venti-
lation
–
Mount and tighten the oil jet
Guideline
Oil jet, conrod lubrication
–
Mount the oil jet for piston cooling.
–
Mount and tighten screw
Guideline
Screw, oil jet for piston
cooling
of the crankshaft.
1
.
2
for conrod bearing lubrication.
3
.
4
. Remove the bearing retainers.
5
with compressed air and check that it is clear.
6
M4
of the crankshaft with the open side facing out so it is
1
.
2
M4
.
3
M4
.
4
M4
2 Nm Loctite ® 243™
(1.5 lbf ft)
2 Nm Loctite ® 243™
(1.5 lbf ft)
2 Nm Loctite ® 243™
(1.5 lbf ft)
2 Nm Loctite ® 243™
(1.5 lbf ft)
132