KTM 250 SX-F 2005, Repair Manual

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5-17
Clutch
– Check the pressure piece
1
for seizing marks and smooth operation.
– Check the axial bearing
2
for damage.
– Lay the pushrod
3
on an even surface and check for runout.
– Check the length of the clutch springs
4
; minimum length 37.0 mm (new 38.0 mm), replace all 5 springs if necessary.
– Check the thickness of the lining disks (8 pieces)
5
; minimum thickness 2.9 mm. The lining disks must be flat.
– Clutch disks (7 pieces)
6
; must be flat; check for mechanical damage. Replace the clutch disks if they have score-shaped
breakout.
– Check the driver
7
for seizing marks and damage.
– Check the pressure cap mounting face
8
for damage.
– Check the thrust face
9
of the outer clutch hub and the lining disks for wear. If the depressions are larger than 0.5 mm,
replace the lining disks and the outer clutch hub.
– Check the needle bearing
bk
for seizing marks and damage.
1
3
4
5
6
7
8
9
bk
2