Clutch Inspection - Honda CB450 1968 Service Manual

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3
.
3
CRANKCASE
COVER
[R[GHTJ
-43
4.
Rem ove the 29
mm
circlip
and
disassemble
the
clutch center.
(Fig.
3.
85)
5.
Unlock
the oi
l
pump bol
ts
locking
was her
and
remove the
bolts.
6.
Remove
the
oil
pump
to
gether
w
ith the clutc
h
outer.
(Fig.
3. 86)
NOTE:
The handle
of
the
special
l 6 mm
lock
nut
wr
ench
is
also
used
as
an outlet
valve guide
tool.
J.
Clutch
Inspection
1.
Friction disc
Item
Standard
value
Servi
ceab le l imit
,
_
___
____
_
-
--
----
-
---
-
------
--
Friction disc
I
3.4
2-
3.58
mm I
Replace
if under
thickness
10.135-0.
14
1 inl
3.
1
mm
10.122
inl
2.
Backlash
Item
Standard
va lue
Serviceable limit
I
Frict
ion
di
sc
and
I
0
.3
mm
rr.ax.
Replace if over
clutch
outer
10.0 12
inl
0.8
mm
10.032
inl
3.
Clutch
plate distortion
.
(Fig.
3.
87)
Item
I
Standard va
lue
I
Servicea
bl
e
limit
Clutc
h plate
I
0
.15
mm
max.
I
Repair
or
replac
e
if
over
A
and
B
(0.006
inl
0.3
5
mm
!0.
014
inJ
4.
Clutch
spring
I
'
Item
I
Standard va
lue
Serviceable
limit
I
Free length
I
40.
1
mm
i
Rep
I
ace
if under
(
1.575
inl
3.9
4mm
Jl.55 inl
131.6-34.
1
kg/
56.6 mm
With load
1
1
81.
585-77.
175
[bs/
-
-
I
1.047
inl
I
5.
Clutch center
I
'
Item
Standard va
lue
!
Serviceable
limit
Radial
clearan
ce
between
clut
ch
I
0.02
0-0
.062
mm
Replace
if
O'!er
center
and main
!0.000
8-
0.002
4 inl
0.
12
mm
[0.
0047
inl
shaft
r
I
t
I
L.
Fig.
3
.
85
Removing the
25 mm
circ lip
CD
C lutch center
®
25
mm
circlip
®
Plier
Fig
.
3. 86
Remo
ving
the
oi
l
pump
together with
the
clutch
outer
CD
Clutch outer
®
Oil
pump
Fig.
3
.
87
Clutch
plate distortion measuring
CD
Thickness
gauge
®
Clutch
pla te
@
Surface p[ote

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