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MAINTENANCE STANDAR DS
(Mode
l
C7
2
)
This
maintenance standards is
lisled only
about
the
doto of
Model
C72.
In this
list
,
dimentions
without units
indicate
"mm"
lupper
step)
and
,. inch"
(down
step),
and others
acco rding to the
units indicated.
1.
GENERAL PERFORANCE
I
I
e m
I
Standard
I
Repeidng limit
I
Remarks
Comp ression pressu
r
e
8.5
kg/
em'
7.0
Check with
kick
120.87
Ib/
in'
99.54
Ib/
in'
Fuel consumption
42-45
km/
e
29
35
km/
h 121.7
mile/
hi
26.04
-
27.90
17.98
mile/
e
l
ubricant
consumption
120
ee/
l
000 km
200/
1000
or less
more
120
ec/620 mile
200/
620 mile
130
km/
h
90 less
Max. speed
80.60 mile
/
h
55.80 mile
T
he
posture
is lean-
ing
fo rward
one
I
thi
rds
of the body
I
"".
2
.
ENGINE
A.
Cylinder, Cylinder Head
II
e
m
I
Standard
I
Repei,ine limit
I
Remarks
Cylinder
Inner
dio
.
53.99-54.00
54.
1
more
2. 1255-2.1259
2.129
Max
.
out of
round
within
0.001
0.05
more
0.00019
-
Toper
I
within
0.001
0.05 mOre
0.00019
Over
size of cylinde
r
Ove
r
size
0.25
3
category of
0.25
0.00984
10.00981
ove
r
size
Cylinde
r
head
valve
Width
1.
0-15
2.0 more
sheet
I
0.0393-0.0590
0.0787
Angle
I
45
0
Compression
ratio
8.3
The capa
ci
ty of the
0.326
combust ion chom.
C ylinder head
gasket
Flatness
within 0.03
0.06
more
be
r,
16.94 ee
surface
0.0011
0.0023
Cylinder
head gasket
Thickness
I
1.0
-
1.1
In
case of binding
I
0.039
-
0.043
Cylinde
r
stut nut
Tightness
2.1
kgm
I
15.
189
ft
Ib
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