Clutch - KTM 250 1998 Repair Manual

10
C
4
11
14 15
12
16
min. 13,5 mm
5
6
13
16

4.16 Clutch

Check the following parts for wear:
T
HRUST BEARING
2
P
USH ROD
C
LUTCH SPRINGS
New spring length 43 mm (1.69 in). Used springs may not be more than 1 mm
(0.04 in) shorter than the new ones; replace all 6 springs if applicable.
9 L
INING DISCS
Minimum thickness 2.6 mm (0.102 in) / new disc 2.7 mm (0.106 in). Discs must
be plane; there must be minimum spacing of 13.5 mm (0.531 in) between startinq
surfaces.
8 S
TEEL DISCS
Must be plane, check for mechanical damage.
I
NNER CLUTCH HUB
Check contact surfaces of steel discs on the inner clutch hub, maximum 0.5 mm
(0.02 in) indentations.
bk
P
RESSURE CAP
Check contact surfaces
nical damage.
O
UTER CLUTCH HUB
Check start surfaces
(0.02 in), replace outer clutch hub (see below).
Mount inner ring
4.17 Replace outer clutch hub
– Drill open the clutch rivets
– Check 8 absorbing elements
where applicable.
T
HE ABSORBING ELEMENTS
THAT THE OUTER CLUTCH HUB
THE PRIMARY GEAR CROWN
CLUTCH RIVETTING TOOL
9
A
1
1
4
5
6
9
C
between lining disc and pressure cap for signs of mecha-
bl
D
of clutch discs on for wear. If indentations exceed 0.5 mm
7 8
and needle cage and check for clearance.
bm
in area of retaining bracket
bo
for signs of mechanical damage, replace all 8
!
CAUTION
bo
ARE WIDER THAN THE PRIMARY GEAR CROWN
bl
AND RETAINING BRACKET
,
THE PARTS MUST BE HELD IN POSITION UNDER TENSION WITH THE
bq
.
WHILE RIVETING
11
8 7
2
3
bn
and remove parts.
!
bp
. T
O ENSURE
bn
ARE POSITIONED DIRECTLY ON
4
9