KTM 250 SX-F 2005, Repair Manual

Page: 42 / 125

Removing the oil pumps
– Remove the oil pump gear and the oil pump idler.
– Pull the needle roller
1
out of the oil pump shaft
2
.
– Remove the screws and remove the pump cover from the pressure
pump
3
.
– Pull out the oil pump shaft and remove the needle roller.
– Take both pressure pump rotors
4
out of the engine case.
– Remove the screws and lift the pump cover off the suction pump
5
,
discarding the O-ring.
– Remove both suction pump rotors
6
out of the engine case, do not
lose the needle roller for the inner rotor.
NOTE: the pressure pump rotors are narrower than the suction pump
rotors.
4-11
1
3
2
4
4
5
6
6