Correcting Clutch Wear - KTM 50 SX Owner's Manual

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MAINTENANCE WORK ON CHASSIS AND ENGINE

CORRECTING CLUTCH WEAR:

10
Check the clutch shoes for wear. If the surface is only slightly worn you can
8
remount them again.
NOTE: The centrifugal clutch has an outer diameter of approx. 82.5 mm
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when new.
6 To correct slight wear to the surface, you can insert one of the pretensioning
disks [11] from each clutch spring between the clutch hub and the clutch
shoes – see illustration.
If only one disk is installed, you can go ahead and use it.
The inner diameter of the centrifugal clutch drum may not exceed 84.4 mm
(new condition 84.0 mm).
7
Assemble in the reverse order.
A
Apply Loctite 243 to the HH screws [7] and tighten to 12 Nm.
Apply Loctite 243 to the M10x1.25 nut [5] on the crankshaft and tighten to 35 Nm.
Mount a new gasket and position the clutch cover [2].
Screw on the clutch cover with 6 M6x25 screws [1] and tighten to 10 Nm.
Move the transmission vent hose back in the original position.
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