P. 6 Cam; Clutch, L - Honda C72 Shop Manual

I t
e m
Ex. In. valve
Ex. valve stem and
guide
In. valve stem and
guide
Valve spring ou l er
Valve spring ou te r
Valve sp ring inner
Co m shoft
Thickness of head
Width
C lea rance
C learan ce
Fr ee length
Te ns ion
Decl in e
Free length
Ten sion
Decline
Shoft dio.
Bend of sho ft
Hei gh t of cam
Cam shaft and bearing Clearan ce
of jou rnal
Valve timing Ex. Opening angle
[ at 1.1 mm (0.0431 of
l ift length) Closing angle
Valve timing In. Ope ning angle
[ a t 1.1 mm 10.0431 of
l ift lengt h) Closing ongle
Com sprocket
Bottom diameter
Rocker arm
T a fix steps
on slippe r face
Standard
1. 0
0 .03936
1.0 - 1.5
0.0393 - 0.059
0.02-004
0.0007 - 0.00 15
0.01-0.03
0.00039 -0.0011
43.82
1.725
11.6-12.4 kg
24.2-25.8 kg
25.57 -27.3Ib
53.36 - 56.8 Ib
wilhin
1.
0.03937
34.66
1.364
3.9-4.3 kg
14 .5-15.5 kg
8.59-9.48 Ib
31.97-34 .17Ib
within I .
0.0393
19.98-19.99
0.5
Or
less
0.0019
Over 20
0.0787
ove r 0.08
0.0031
over 0.07
0.00275
42 .3 o r less
1. 665
Remarks
At 34.5 mm (1.351 of
binding leng th
I At 27.5 mm 11.081 of
t
I
max. lifl
~~5;ore
I
33.4 less
1.314
1.5 mo re
0059
19.95 less
At 31.5
mm
(1.2 41 o f
binding len gth
At 24.5
mm
(0 .96t of
ma x. lifl
0.786-0.787 0.785
withi n 0.01
0.0003
26.98-2 7.02
001062-001063
I-I 1+1
0.003-0.Q3
0.00011- 0.00 11
before lower
dead point 25 °
after upper
dead poin t 10°
bef o re upper
dead point 10
0
aft e r lowe r
dead pcint 25
0
74.766
2.943
4
0 .05 more
0.0019
26.7 less
001 05
0.08 mo re
0.0031
±5°
74.2 less
2.922
0.3 more
0.0118
P. 6 cam
N on-cle aran ce
I
P. 6 com
N on-clearance
In case of having
some trouble on
slipper surface
r 1
e m
I Standard
I
Repairing limit
I
Rema rks
In . dia. 13.0 - 13.027 13.1
mo re
0.51 1 - 0.522 0.515
Rocker arm c rank pin Out. dia. 12.966-12.984
12.9 less
I
0.510-0.511 0.5 078
Clearance to rocker
0.16 - 0.061
0.1 more
orm 0.0006-0.0024 0.0039
Ex. In. valve adjust T oppet clea rance 0.09-0 .11
out of
Cool sta te
0.0035 - 0.0043
stonda rd
Cam choin tensi one r Free length 73
70 less
spring 2.874 2.755
Tension
16.0 - 16.2 kg
10 less
35 .28 - 35.71 Ib 22.05
Cam cha in tensi one r Oul. dio. 59.2-59.8 58.5 less
Without injury
of
roller 2.33-2.35
2.303 rubb e r
D.
Upper Crank Ca se
I t e m
I
Standa rd
I
Repair ing limit
I
Remar ks
I
H o le, shift drum In dia. 34 .0-34.02
34.2 more
I
1.338 - 1.339 1.346
In
dia .
of
ox Ie
12.0 - 12.01
12.2 mo re
0.472 - 0.473 0.4803
I
Com choin gu id e roller Out. dia. 13.966 -13.984 13.9 less
pi n
0.549 - 0.550 0.547
Chain gu ide roller In. dio . 14. 0 -14 .0 1 14 .1
mo re
0.5511-0.5518 0.5551
I
E. Clutch· L. Cr ank Case Caver
r tern
I
Standard
I
Repa iring limit
I
Remarks
I
I
I
Clutch
cen ter
In. dia.
I
25 .0 - 25 .021
,
24 .9
I
21.0 - 21.08 4 20.9
less
0.984-0.985 0.980
0.826 - 0.830
I
0.822
Out-r oun d swing
withi n 0.1 0 .2 mo re
, 0.0039 0.0078
Pri mary drive sprocket Bottom diameter 39.11-39.21 38.3 less
I
1.5397 - 1.5436 1.5078
Clu tch friction disc Thickness 4.8 -4 .9
4.4 less
0 .1889 - 0.1 929 0.1732
Strain
within 0.2
0.5 mo re
I
0.007B
0.0196