KTM 125 SX 2010 Owner's Manual page 259

3
2
5
6
– Remove the 4 collar nuts
cylinder.
– Remove the cylinder base gasket.
1
– Cover the crankcase.
– Place piston on a wooden jig and remove both piston pin locking
pins.
– Expel the piston pin from the piston without exerting undue force.
Use a suitable mandrel if necessary.
– Remove the piston and the piston pin needle-bearing from the
conrod eye.
T
HE PISTON PIN MUST NEVER BE FORCED OUT WITH A PUNCH
DAMAGE THE CONROD BEARING
NOTE:
2
PISTON RINGS ARE INSTALLED STARTING WITH THE
Dismounting the clutch cover
– Remove the collar bolts and the clutch cover including the gasket.
NOTE:
– The water pump cover
not need to be removed.
– The water pump and the centrifugal timer remain in the clutch cover.
4
Dismounting the pressure cap and the clutch discs
– Loosen the collar bolts
prevent wedging of the discs as the springs expand.
– Remove the collar bolts, springs and spring retainers.
– Take the pressure cap and the disc package out of the outer clutch
hub.
– Take the thrust bearing
on cylinder base and remove the
1
!
CAUTION
.
, the outer cover
3
in a diagonally opposite sequence to
5
off the drive shaft.
6
4-4
!
. T
HIS WOULD
2005 .
MODEL
and the cover lid do
2 4