KTM 250 SX - Manual (Page 30)

4-2C
Repair manual KTM 250 / 300 / 380
Art No 3206004 -E
– Cleaning the engine thoroughly.
– Clamp the engine into the workstand.
– Remove the kickstarter together with the distance bushing behind.
Draining gear oil
NOTE: The transmission oil should already be drained when the engine is
dismounted. Otherwise, the transmission oil will leak out of the drive
shaft following the removal of the slave cylinder of the clutch.
– Unscrew plug 1 , allowing oil to drain.
Dismounting of sprocket and shift lever
– Remove circlip 2 from countershaft using circlip pliers. Slide off engine
sprocket, distance bushing and O-ring.
– Undo the screw 3 and remove the shift lever.
– Pull out the clutch push rod 4 from drive shaft.
Dismounting of cylinder head, cylinder and piston
– Unscrew the 6 collar screws 5 and remove cylinder head and the two
O-rings.
– Undo the screws 6 and remove the left control cover together with
the gasket.
1
2
3
4
5
6