Honda C72 Shop Manual page 12

MAINTENANCE STANDARDS,CB72· 77
For ma intenance ope ration f o r HONDA
250· 300,
Maintenance Sta ndards,
specification and d imension are listed hereafter for re fe rence.
EXPLANA'((ON:
Maintenance Items
Items to be inspec ted, serv ice -wise.
Standard Value
Repairing Limit
Remarks
This indicates the manufacturer's standard si ze or th e standa rd size
aft e r newly as se mbling or adjusting, and shows th e size -limit o f
comple ted part in the permissible limit of adjustm ent.
Unusable wear limi t of 'parl s requi ring cor rec ti on o r replacement,
function-wise.
Unmarked numbers are run unit a nd inch unit shown underneath,
and othe r s a ccording to the unit indicated.
UNIT IN CHART:
Unmarked numb e rs are m/m unit and inch unit shown underneath,
and othe rs according to the unit ind icat ed.
CONTENTS
1. GENERAL PE RFORMAN CE .. . •... . •.... . • •. . . . ...•. . .. .. . •.... .. •..... 19
2. ENGIN E
A.
B.
C.
D.
Cytinder, Cylinde r Head
... .. ........ . .. .... . .. . . .. . .... .. . .. .
Crank Shaft, Conn ec tin g Rod, Piston
Cam Shaft. Valve, Cam Chain ........ . . •.. . ... . ..... • ..... · .• · ·
Uppe r. Under Crank Case ........ •• ....... • •.......•.... • • ...
19
21
24
26
E. Clutch, Crank Case Caver L/H .. .. . . • . .. . .. .. _ ........... . _ . . . 27
F. T ransrn ission ....
...... . .... .. ............... . .... . .......
G. Gea r Change
. . . . . . . . . .
..... . .. .. ...... ... . .. ... .
H.
I.
J.
Kick , Crank Cas e Cover R/H ...•... . . . . ....... . - ....... - . . . .. .
Oil Pump. Oi l Filter .. . ....... . ... .... - ... . ... - . ..... - • • . .... .
A.C. Dynamo, Starting Motor .. •• • .....•.......• . ..... . •. . . - . ..
28
30
30
30
32
K. Conta ct Br eaker ...... _ ... . .•.. ... . _ . . . . . . . . . . . . . . . . . . . . . . ..
32
3.
FRAME
A
B.
C.
D.
E .
F.
G.
H.
I.
J.
Handle ...... _ .... . _ •... _ •. .... .. .. ... . .... ..... ... ... . .. . .
Front Cushion
Steering Stem, Front Fender . ... . .•. ..... ... . . .......... .•. . . .. .
Fuel Tank ........ .... .. . . .... ...... . . .... . ... . .. ..... .
Fra me Body ... . . . . • . . - . . ... . . .... .
.
. . ... . . . ...... . .. .
Stand ............... . ......... . .. . . . .
Rear Fork, Rear Fende r ..
.
. . . .
.
. . . . . . . .
.
.
Rear Cushion . . ........ .
. .
..
. . . . .
. ... . ... ... . .......... .
front Wheel
Rea r Wheel
K. Electric Equipment ..... .. .
. ... .......
,
... . . . . ... ... . .... . .
17
33
33
35
36
36
37
37
38
38
39
40