Clutch - KTM 85 SX 2004 Repair Manual

1-cylinder, 2-stroke engine
Table of Contents

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5-9
3
7
4
1

Clutch

1
Thrust bearing
check for wear
Push rod
2
Check for wear (length 113 mm).
3
Clutch springs
All 5 clutch springs should have the same length. Minimum length 33 mm (new 34 mm). Replace all 5 springs if necessary.
4
7 Lining discs
Minimum thickness 2.8 mm (new 3 mm). All disks should be plane. Check disks for score marks or mechanical damage.
5
6 Steel discs
Must be plane, check for mechanical damage.
6
Inner clutch hub
Check the contact surfaces of the steel disks against the driver. Check the driver for mechanical damage or score marks.
7
Pressure cap
A
Check contact surfaces
between lining disc and pressure cap for signs of mechanical damage and score marks.
8
Outer clutch hub
B
Check start surfaces
of clutch discs on for wear. If indentations exceed 0.50 mm, replace outer clutch hub.
Check the friction bearing (inner ring)
A
5
2
9
bk
and the bushing
for wear or score marks.
6
B
8
9
10

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