Uppe R. Under Crank Case; Clutch, Crank Case Caver L/H - Honda C72 Shop Manual

' I t e m I Standard
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Repaidng limit
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Adjusting point
Remarks
It e m
I
Standard
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Repai ring limit
Adjusting point Remarks
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Rocker arm shaft Out. dio.
16.994-16.976 16.95 less
Ex change
L / H
cover attac hing
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Flatn ess
within 0.03
0.06 more Rectify
IInloy port of heodl 0.669 - 0.668 0.667
Rocker arm shaft
In. dio . 2.5
10il partl
0.0984
T oppe l clea ran ce
In. Ex. 0.08-0.12 out-standard
Rectify
Cold type
0.003 - 0.047
Cam chain Out. dia.
40 38 less
Excha nge
Aging and
crock
face of upper cronk
0.001
0.002
case
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Com chain guide
Out. dia.
59.5 58.0 less
Exchange Aging
and
crack
roller
I
!
2.342
2.28
of rubber should
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I
not remain
In. dia. 14 .0-14.018
14.1 more Exchange
i
,
tensioner roller
1.574 1.496 !
of rubber should
nof be.
Com chain tensioner Free length 63.3
60.0 less
Ex change
roller (Spring)
2.492 2.362
Tension 7 kg 5.5 kg less Exchange Referential value-
I 0.55 1- 0.5518 0.555
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Com chain guide
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Out.
dia. 13.966 - 13.984
13.9 less Exchange
roller pin
0.549 - 0.550 0.547
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Oil level gauge
Dia. 2.9-3.1
2.8 less
Exchange
"0" ri ng 22mm
0.114- 1.22 0.110
15.4 32 1bs 12.1251bs
control by ove r
T ightness 2.0
0.5 less Exchan ge
all length
Valve timing ex. Opening
before lower
out-standa rd Rectify Check at 1.1 m/ m
angle dead point
35 °
±5° Un case of liftl
Closing after uppe r out-standa rd Rectify
Check at 1.1 m/ m
angle dead point 10 ° ±5° (In case of lift)
Valve timing In . Opening before upper ou t-standard Re cti fy Check at 1.1 m/ m
angle dead paint
5 ° +5°
lin case of liftl
Closing
after lower out-standa rd Rect ify
Check at 1.1 m/ m
angle dead point
30 ° +5°
Un case of lift)
0.078
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0.0019
Und e r cronk case
Flatness within 0.03
0.06 more Re ctify
attaching face of
0.001 0.002
caver L / H
Under crank case
Flatness
within 0.03 0.06 more
Rectify
(Seam su rface of
0.0012 0.0023
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upper · under!
Under cronk case
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Slip oul of
within 0.05 0.1 more
Rectify
seam surface
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L/H or R / H
0.00019
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0.0039
,
D. Upper ' Under Crank Case
E. Clutch. Crank Case Caver L/ H
I t e m
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Standa rd
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Repairing limit
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AdjuSiing point
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Remarks
Upper · under cronk In. dia.
65.97 -65.987
66.04 more Exchange Combined with
case lPart of center
2.597 - 2.598 2.60
upper and unde r
bearing)
and then measure
Upper' under crank In. dio.
l/H76.97 -76.987
76.93 more Exchange
Combined with
case IPart of bear-
R / H64.97 -64.987
64.93 mo re
upper and under
ing l/H, R / HI 3.0307 - 3.0309 3.0287
and th en measure
,
2.557 - 2.558 2.556
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Upper'
under~lcronk
In. dia.
61.985-61.996
62.04 more Exchange
Combined with
case lPart of mis-
2.440 - 2.4407 2.442
upper and under
sian shaftl
and then measure
It e m
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Standard
: Repairing limit
I
Adjusting point
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Remark s
Clufch friction disc
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Thickness 2.9-3.0 2.5 less
Excha nge One set is 6
0.114-1.18 1 0.984
sheets
In . dia. 112
4.409
Flatness
within 0.2
0.4 more Exchange
0.0078
0.015
Clutch plate
Thicknes s
2.0 1. 6 less
Exchange Use 5 sheets
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0.078 0.0629
flotness
within 0.2 0.4 more
Exchange or
I 0.0078 0.015
Repa iring
Upper ' under crank In. dia. 25.0 - 25.021 25.1 more
Excha nge
Combined with
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case
(Part of
kick
0.984 - 0.985 0.988
upper and unde r
spindle) Rec tify
a nd then measure
Upper' under cronk Flatness within 0.03
0.06 more
case (Seam surface l 0.001
0.002
Rect ify
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Out. dio.
135
5.314
Clutch center and C learance
wirhin 0.3 0.3 more
Excha nge
Clearance at out.
clutch plote
of rotary 0.0118
0.0118
dia. of plate
direction
Cylinder attaching Flatness within 0.03
0.06 more
face of upper cronk 0.001 0.002
Rectify
case
Clutch cente r
and
Clearan ce
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with in 0.1
0.3 more
Exchange
mission shaft
of ro tary 0.0039
0.0118
direction
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