Honda CB77 - Engine; General Performance

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MAINTENANCE STANDARDS (Model C872, C877)
In this list, the d imensions without uni ts indicate "m m" (u pper step) and "inch" (d own slep l,
and ot hers a cco rding 10 the units i ndicat ed. Mark * is exc lus i ve ly used on ly for
model CB77 and oth ers are commOn both model CB72 a nd CB7l.
1. GENERAL PERFORMANCE
I Ie m
Standard
I Repoicing limH I Adi",HngPoi nt
Remarks
C om pre ss ion pressure
10.5 kg / em' 8.0kg/ em less Disassemble
Measure with kick
149.34 Ib/ in' 113.78 Ib / in'
and adiust
Fuel Consumption
45 km / e 26km / e less Disassemble S peed
40km / h
127 Br m.p.g. 73 Br mpg
and adj ust
124 8 m.p. h.l
C om pres si on ral io 9.3- 9.7 ou l standard
D is as se m ble
and adjust
l ub ricating
oil con-
120 ee/ l 000 km
200ee/
D isossembie
sumplio n
less
1000km more
and adiust
120 ee/ 0.62 mile
200ee/
0.62 mile
l ubr
ica ti ng oil. capo -
1500 ee
oul s ta ndard
Adjust
Check with oil
city
gouge
RC:Jr wheel output 1 6PS morc
12 .5PS less Disassemble (Max . output!
*
18PS more
14PS less
and adjust
Caster
62
0
Oul standard
Exchange
(Refer ential val uel
Trai l
85
0
out standard
Exchan ge
(Referen tia l
value I
2. ENGINE
A. .cylinder, Cylinder Head
'"
"<'~
It e m
Sl o!1d ord Repoiring limit Adjust in g Point
Remarks
C ylinde r sleeve
Differ ence w ithin
0. 01 0.05 more Put in boring
After baring, hon-
betw ee n
0.0003
0.00196
ing should
be
. ::. ~m ax.
in. dia .
enforced
. 'and
min. i n.
dia.
Cylinder sleeve In. dia.
.
54.00 - 54.0 1 54.10 more Put in bori ng
After bo ring, hon -
:!~; ~S,
2.1259 -2 .1263 2 .1 29
ing
shou ld be
' ~~ . '
enforced
-;.; . : .
*
60.00 - 60.01
f60,lO more
...
2 .3622 - 2.3625
2.366
1
C ylinder barrel
Heig ht 83.45-9 3.5 aut standard
. · 3.285 - 3.681
r
C
yl i nde r
sleeve
Out. dia.
.- ':: 0'.02 - 62.03 ,
(Referential valuel
::;:1 :2:441 - 2.442
* :c "t 7.02-67 .03
2.638 - 2.6387
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