Honda C70 Manual

							 
r"'“\

I.

~"'“I

|-it-‘J

F".
 II-I"-I

‘B2

ADDENDUM

IIIIIIITEIIIIIIDE
 SDIIEDIILE

pl
 rfm-m
 ‘ht
p|qE-1:g|gE
 1|'-,I5pE¢TIflfl
 In
I11;
 IJIII-he-I'=_I'IIIenueI
 at
e-euh
 ir;l1I':-dule-d
 Irteé-ntenancr:
 partied-

I;
 |,|-Igzpflclf
 and
Gleam.
 II'IId[II|II1.,
 Luhriurtn
 0-1
Renlee-e
 If
neea-Ir-0rrI'.

f;l§'1fll.'}
 '.

Clean

:
 Repleue

Adjufl
 Lu
 hrleete

ITEM

 :

H
Eu“
 EHCY

FIRST
 :§

 EV

E
H
 Y

'|'IlHICHE'II"ER

ODOMETER

READING
II‘-IOTE
Ell

COMES
 In...

5
“Q90

"5iq;b:I
 ">1;

In?
 '
.3;-I
/

§,__,
 .-'
Hflhr
 I“

"'l'.__!'
 M‘:
Jr
D

__
 '
 FUEL
 LINES
 5'1-IE

3-3

‘
 _I_=_I._I_I'iLI_.j§rI'1.r»II|~I*eI=r

S

C
I."II

fll
 ['21

EM
 "
THROTTLE
 OPERATION
 I;

.|
 _20-0

00
 I

-C
 '
caeeunetoe
 CHOKE

OT
 EC-B

E
 "
 AIRCL.EAI'~IE_FI
 _
NOTE

I‘II
 .

-
 .
 2“
_?'

n
 I-I

5:0

ELPIT
 C

Fl
AN
 IIICASE
 B
R
EATI-IE
 R
 NOTE

[2]
 emu

even
 35

R
 S-FA
FI
If.
 PLUG
 CL

Y

1___;§0
 rni
12.000
 kn-II
 T

Ia‘
 '
R
 R
-.2013

N
 '.
var.
 E
r.:-I_E_fi_§I~T_.‘.'_]E
 ”
_!
 I

_
I
________
 ?_
 I
 10-B

_
 v
A

..
 ENGINE
 OIL

SSO

YEAR
R
FIEPLAC

E
EV
 ERY

2-E.
IDE-

EIIII
 '
ENGINE
 OIL
FILTER
 BC
SEEN
 1,200

mi
I2,000_IIII-II

'
 I:
 I
2-2

_
 -
_-I'I'I

CAREIURETOR
 IDLE
SPEE
D

I

I-—._
 3-ID
I

I
 IIIR
l"II'
 N
 E.

I:

El
...

I3
‘U.
 F

THII
 BFI_T_'_l'E

R"\"
 III0I§I'rH

I
.
,

Lweexiwm-I

_

I
 _

I0-10

‘I-F
 -.-

'
 _R_R_IIIII'I'.E
 SHO
E
WE
 -"IR

D
 '

I
 335'
'

I
 I

I
 BRAEE
 's~I*5'rerII

TE
 A

I
 3-H

0H.rIr.:E
 |_|iiI'I-T?
SWITCH

III
 0557:.

HEADLIGHT
 AIIII

EL
 3-‘IE

NR
 CLUTCH

SIDE
 STAND
 Y

_

EI-IE

_.
 ..-

3-IE

SSO
 __
 '
5u5PEI\I?sIDIII
 _I.

l_|'.,

I.L
I,L.
'

en

N-EM
 "

'I'I|'HEEL_5I"5PQlf.E5
 _

NLIT5.

ROLT5.
 FASTENEIIIC
 _
I

I__
_
I
 3-H3

I
 I
 I_
3-IE

e_.rfeI=_I=Ir~I&'
 HEAD
0_e5e

I00
 I-P

IN
[3
 .
._
'

I
'
3-‘IE

I
 Shuum
 hi
‘Em
 |cB,d
 U...
an
Iu
"1
|-3-I155
 |-[mg];
 553“;-_
 I;|-IE5;
the
gu.Ir||r
 I1.“
pruprer
 Hiflli
fl'I‘II:I
BBIVIDIJ
 date
lI1I;I
I1
l'I'1EI5I'liI'lIfllII"I"

queIifier:I.

H
 In
II-M
 |,-,m";;
 n,f;q{I;1;I;_
 M
|1=|g;|r|-|r|15I|'1d'1_'hI:ia
 item:
he
0erIIiI:ed
 r:InI\,r
by
en
eumurized
 Honda
drrnler.

NOTES:
 [II
Rewrite
 rrrure
frequently
 when
rirllng
 III-11'-P5‘-‘Ir
 HIRI-

rgt
 Min
 |-mm
ff§q|_|gflfl-1'!
 when
riding
 ‘n-I
rem
 I-:Ir'et
 full
throtflIr
 IU.5.-"I.
mI'I'I-

qap
 |=I;II
hiqhar
 I:IdI:-Inerer
 readings.
rennet
it
the
 frImIIIr"='r
 ilrlflrfll
Biiflblhhfld
 I'W"=

.-..
 I

|J;I;I_II:I'IIw.Ie:
 Nu-u.,1-‘BB1
 1”

EIFHONOA
 MOTOR
CU’...
LTD.  
						

							 
___1

HONDA
 I

2.
 LLIBRIBATIUN

BIL
 IIEBBIIIIEIIDITIIIIIIS

U51:
 HUNUJ1
 I1-STHUKE
 IIJIL
or
uquwal9n1_

API
 SERVICE
 CLF-SSIFFCATIDNI
 SE
r.Ir
SF

'b"|5CO5|T‘I"'

SHE
 IEIW
I1-U

Dthar
 '|'Is|:'.c|:-ities
 sh-zrwn
|l'l
111:
 |:I-mr:
 rn.1-,.-
|',||:

u5E-ll
 w|||:rI
 !h*_'
uuerag:
 H:rrI|'_|n-raturu
 In
I,':\q_.|r

rid-nI;|
 -1-rrr=|
-L
within
 the
In-::lI-|:a.Iud
 wflgv.

3.
 INSPEIITIUII
 Illlll
ADJUSTMENT

HIEL
 STRLIIIER

Tum
 ‘ihe
{u:|
 nruiuq
 DFF

Lnosnn
 thu
Izarh-ur:I1'.

'32

ADDENDUM
 |:'m
—

_‘l

P-I

.---...-

.I—-\

—I.  
						

							 
11"-

-1

II“
 _,‘__
 ‘H

B2
ADDENDUM

BIIIBIIRETUR
 UHUKE

C2’-|':¢_-It
 Inr
etlncicitri
 I:|1.'JI
						

							 
‘B2

ADD
 E
NDLIM
 HONDA

/’_

crn

WINE
 CLEARANCE

NOTES:

I
 inspect
 and
adjust
 valve
clearance
 witrle
Ill:

-engine
 is
euitl
 lbeluw
 35-"-"C.
BEEF].

I
 ltt-eta
 the
lne.e1lur|
 u‘l'
the
 "T"
 mark.

Tu
 cheek
 the
ualye
 clearance,
 tempyg
thg

flrflltltahnlt.
 tlrninq
marit
hole
and
value
 mspec

titan
 cups.

I"-l|ri2ljlJ5‘l'
 tlfluflrfln-tr:
 IT
n:r_'.955.a;'y
 train“
ualya
ad-

iultnt
 IIITBIIIB-G
 B-HBDIII
II:-ee
page
 3-E-I.

HE
 sure
 in
relmtall
 thfl
GED!

IGNITION
 Tllllllli

IIIDTE
 The
C-;|pIiI2l1'l‘I|‘B
 Dlseh-arge
Ignrtlnn
1-,-1

lIflI'l'I-
 I!
f3I:‘.‘l10|'y
 are-set
an-rl
r;ann1;|t
 big
gdju
 5ted_

Tu
 inspect
 the
f|.|nr:tic|n
 nf
Llt:
 CD1
 mumpu

reentr-.
 ignition
 timing
tn!-pecfiun
 prqflgdtlffl-l

are
 r,||1.-en
 hern-

Fllnvnye
 the
timing
 h-ale
eeu.

Cenneezr
 II
tlehnmr:-tar
 anti
tmting
 lnghl

‘Start
 the
engine
 and
Hlflw
 ir
m
 Idle
 |1,5[l]

rpati.
 Cheek
 the
ign-riqn
 tirnine.

Timing
 it-eurrect
 if
the
 -nder-r
 mark
alight
 with

the
 "F"
 mark
 at
-tl!=.

II
 the
 ignltiu-I1
 tim-inn
ie
incorrect,
 erreclt
lhn

CEJI
 unit,
 e.-Inter
 coil
end
 nuiaq
 gq|-|;|m¢|;Ir_
 and

"BI-tlflflfl
 Faulty
parts.
Flrrfer
tI:|
page
 20-22
 Igni-

tlun
 S-\.|'5‘tern.

BITTER?
 HEIPUHE
 the
right
 arr-rle
cnyzr

Inspect
 the
battery
 llu.-cl
layer

Wihrn
 the
fluid
 near:
 the
luun.-r
 I:y:!_
lnumn

TI‘IB
 bfll!
 and
tape:-I
 the
battery
 bracket
 fur

unease
 to
the
 battery.

HEI'l'lU'-fl‘-‘
 thtr
battery
 filler
cam-.

Carefully
 acid
distilled
 wat-er
Ir;
the
 |4|:||:Iur
 iatrvei

rntrir
 using
 a
small
 syringe
 nr
plastic
 fur-In-qt.

NOTE
 Acid
only
 distilled
 water.
Tap
water

will
 em:-rtan
 the
service
 Ir-in
nf
the
 battery.

The
 battery
 aIh:r=tn:Il'|rlI
 tinn-

teim
 mlturla
 aeitt.
Protect
 your
Wu.
 sltln.

and
 clufltina.

In
 cue
 n-‘I
II:nnta|r:t_
 fiulh
thoroughly
 with

mm:
 and
eenur.-t
 1
damn:
 il
electrolyte
 am

In
 '|'GL|t
 -I1.-ii.
 I-IDLE

_’__4,-.1

CHAN
 HSHAF
 T

LIGHT

GAPS
 UPPER

Q
I

20-3
 '3“

Denenflsauai
N0‘-'-,1QB_l

emewna
 MGTDH
00.,
ttn.
 "x

-'-.
 --at

--~.  
						

							 
E,

egg)
 C?"
 eeaneeneum

y--‘ml
 [care
Identification
 nu.
I
PBIEA

.
 at
QI§§%%i%%

I

Hep-In-::e

the
battery
 it
euifati-an
 at
sediment!

hlue
 lI.'_!l;lJ|'I"|1JIlI1'lH.I12lIl
 the
brill-::||‘n.

CAUTION:
 When
r:hedtlr||| the
battery
 lilac»

trulytl
 lfiei
ut
ltllllng
 distilled
 ureter,
nuke

T‘
 nure
ihe
breather
 tuba
in
ea-nneratad
 tn
the

hetllry
 hrnafliar
 r:n.|'I:Il:1
-ell:-aw
 as
shown.

I.-
 II.
FIIEL
 SYSTEM

SPEEIFICATIUNS
 EMITIIIN

|
‘l
 INSERT

THE
BITT

BRERTHEN
 TUBE

SEEURELY
 UN

5l_IT_5"l'

Below
 I
500
 m
 Above
 2.000
m
 _

I.-lain
 |et
 (5,000
fri
 IE-.500
Itl

u
 tar
 Gig-av’

-HTS

‘Throttle
 yalya
 4‘
3.0
 '

I
 é 

,
 J-at
 nn::r.lIe
 DA.-Ur
 _
__
.

--
 --
 ~i-‘
1,";-F

-I—
 '
._
_
 -
_
 an
I.-_-

eaea~.

-HELFCJ

If

K

.-"

I4

J-
 ‘aha

'
-".-.--
 _¢5.-
 '

-—.\
 _
.

e
 E5
 .

-
 -;.

@

fin]
 3"‘

/

_
 .
_____n.ua-u.na
 kg-n'|

--.
 re.2-0.1
rnal

em
 of
Issue:
 'I~Il=»._
 teat
 "'7
T
2
O_
 9

IE
 HONDA
 MDTDH
Cll.
LTD.  
						

							 
HONDA

Ia

'e2
 ADDENDUM
 [III]
-5'

Hllil-I
 lLTlTI.|lJE

'|i'.Il1er-
 lrle
vehicle
 =1
to
 big
 operated
 |;r_Ji|lir1u

uur-li.i
 mntrr
 E,-[I00
meters
 ll:i‘_iiDiIl
It!l'!1|
the

carburetor
 mus!
be
.'I|J_||.H]:|"|.I
 to
i-‘l'l!IlI'D'|‘E'
 di
ivo-

ill-ill
 W
 end
 -‘Ii-r-r-'ie5e
 eiilteuiit
'll‘fl‘liL'Sl'|',I|'l"|

I.
 FIE'r|"i|2|'|E
 HIE
r_'z-rrI’1i..rrr1i;Iir

2.
 FII.?IT'-lJ'ii'B
 ‘H19
lI'ElllJlJ!l£1|Ill
 1li;tiat_
[h3|||'_,3|;|_

3.
 l‘Il!I‘I'4.'l'i'i'-‘
 tl'I-I!
#
T5
 ma
ll
|El
 iiI'll.l
 iirnall
 1+-ie

-1*
 T2
 ntaiit
 jer

4i
 Filr:-lisaiir-‘ii-iiii
 and
'l'lH.iIl
 iliii
i:iirt.ii.iri;-rm

5.
 'I.'il'atl‘l'-
 i.i|.i
the
 ier|§nr-
 tn
operating
 1ierr|r,:iura-

lute
 ISIZOI1
 ifld
Q0
driving
 I||r
t|_:n
 rri.irti|_|t_g5

is
 eut‘Iir_~ieii|.fi

B
 i5'i.d['\J!-I
 '.I‘I-E
Idle
 .rp~e:r:r_l
 lu
1,%l]i_'
 IDD
mir-

wllh
 the
ll-rnittln
 stop
soi"ew.

WDTE.
 Iitiri
atl||.|strnnn1
 |Til,|!‘I
IJE
'l'lJLIl:
 a!

l|I|]l1
 IIIIITUGIJ
 =0
'E'l'I§iJY1!
 |.:-||.I|||:i'
 high
altitude

Cl'ClE:l'flI.ll'Jll.

7
 iI\IC1'i£l‘l
 1.F‘il!
'\4"I!PII;=r:
 Emrrsinn
 Crtntrri-!
I|l-

loiinflr-iJi‘i
 Lliirilntii
label
as
sihriwi-i.

I“-ICITE
 Du
|‘ll.H
 attach
 11"-is
iaggi
 t|_|
,|ii-,-
 |i;;r1

that
 Bari
be
easily
 removed
 lrn.-ri
1iii-
uiii-iiigile,

"t""""""n""""'3
 Continuous
oparariun
at
In

lltlludl
 lumr
than
5,Dl2IiIJ
 Ieet
ll,5-00
 mereral

with
 the
carburetor
 adp-rt-iirl
for
hruli
 altitude:

may
 earn:
 the
engine
 to
Idle
 rciugliily
 and
slell

and
 could
 muse
angina
 diiirri-rig-Ii
 Item
oner-

heating.
 When
the
vehicle
 ie
to
 be
 operated

raziritilriuiriuliy
 below
5,000
 feel
H.500

rr1atareI_
 reinstall
the
I
75
 rnein
 iet
and
 adjust

l.I'nr
 idle
 lpned
 to
1,500
 1100
 r|1il1|i.

HE
 =i-HI:
 to
mrltii
 there
adiustriteiiiii
 I1!
I|']lll|'i|,I1'I-

tullle.
 E

—-1—--—:i

'-
 *—-"‘:I_::ii

2;;
 “
‘*

‘-—_____—
 _
 flu

‘i-—'=—i-r
 El

‘lg-

r-"'
 1-.,

-I
 0
 Dull
of
lame
 l‘-Ioir.
1501

20
 e:-uuuoit
Iiiiotoe
co
LTt:i  
						

							 
.-F‘-it.

|"
 -

I.»-PH.

3""-.
 J,-_‘\.

F‘-.

r"‘"-
 -*-*-
 HONDA.

C70
 '32

ADD
 E
H
 DUM

5.
 CYLINDER
 HEAD/‘MLVE

EPEUFFEA1
 HZIHS

STANDARD
SERVICE
LIMIT

m
 I
 mm

-

|

Ca
 mt
 ct".
mum
 z1_.g-g5__
'
|1.1t:t|:
 mt
ggts
 mm
_t_1_.t_r§§e
 rm

IE.'U?Etl'!l'|'l[1.l]'2BBiI1P
 15.59111!"
[1.UH'|I'I'l|

ETUHIIER
 HEM]

HEMDV
 AL

Hesnnua
 the
front
 I:-uvtlr

Dimnnnect
 the
mtaltlt
 rltnr
Truth
 Ihfl
cvlinder

head.

Htlmcwv
 the
murtlur
 an-|:I
the
up-ark
 pluu
cap.

Hgrncmu
 Thn
|,'.'|,r|i|'|-Eh-:1‘
 ht-!:r|.'|
||!f'l
titlfil
 Cm!!!‘

Hm-nave
 lh:
crttrtkitaft
 can
-Ind
 H-Irrt
 I11!

ctanitlhnfl
 |;.-uunmml-nckwtse
 to
ilttlfl
 the
"O"

mark
 on
the
 GiI1'li|'lI|‘l
 lnrnlfii-ET
with
I'M
Ifldflh

rn-urlt.

Humutu:
 thu
nzamthah
 anruttkst.

Remuuu
 thn
t;'\rl-'nt‘l|&
						

							 
20-12
‘B2

ADD-E
 NIJUM

B.BLflTGH
 HONDA

’_

cm
 _/
H

—
 I

ITEM
 1
STAN
 D

Clutch
 gpri-ng
tr

git
-.;
 *'
L“
 "x

trm
 §

tan-as
 mar

—_“____
 _
__L
 I‘
-'==
 1.

.
 E
 H‘

 
 "
It

,-
 AHD

SERVICE
LIMIT

N
 lanqm
 I
15-I
 mrrl
[I175
 in}
 I15
mm
10.39
 in]

it
 Q

fit
 I
I

%
 ~

.‘.
 -J
G
 I
 T"
'
_
 -.

E!’
 .
_
 :1
 _.

.,
 .
'

3.5»-4.5
 it
 _

_|'I

-
 I-1‘.
 ____:r__r___:_
._
In
 Q
 '
.
 _
 _.

-.

~-__
 _.--j"T-

wt:
 I'll

.
 'I:||

t
 ._\
 I
I
 '-.5
 '

k“'I—
 '
 |
 |l

‘u
 III
||

._L
 .

|
|
 I

Q
 _
-.
 .-'
'
__-"I
 I

"
 .-—-‘I-

.
 -,

I
 1"-t

|

-\-t

1@*
 D

ataoflsauw:
 r~|-:v.,1sta1
 u

@:~ur.;n~mA
 mntun
t:|::.,
|_'r|:+.  
						

							 
P‘-"h_

|r""‘-.

,.|-ifi-.__

|./"1

r,

r"‘-
 ._\\
 /i

HONDA

C70
 ‘B2

It
DDEN
 DU
M

CLUTCH
 WEIGHT
 IJFIWEFLATE

NIJTE:
 For
disassemble
 and
lnitt-eI:tit:|rI
 =-H:

page
 B-3.
 |

|CLUTCH

I
 WEI
 HT

ASSEMBLY
 lr\.t.taII
 the
-::|utc||
 weights
 on
me
 eluteh
 Gl‘l'|‘fl

plate
 at
i‘I‘|O'|\'I1

Install
 ‘thl:
|-.tL||.t
 .-lug
and
the
eiutc-h
 springs.

STOP
FI
I
HG

C
 LUTCH
 DU
TE
Fl

1|-11taII
 therdriue
 pkatu
in
the
 clutch
 outer
Md
 I
(1

tighturl
 the
mre-.n:
 in
2-3
 new
 in
a
crlesttrose
 J,"

iJflIIern-
 _
®
 if.

@
 )

.
 -J

DAMPER
 SPRING

Install

the
eluteh
 damper
 spring:

scnew

en
 GEAR
 CLUTCH
csrrren

I|1:.tt1II
 the
dl'I'|'E'
 gear
e-utsr
 and
|:lult:I“l
 :I:r1lBt

I‘-ICITE:
 Airtyt
the
grown
 in
the
 tlulflh
 DENIM

with
 the
b-trues
 ti-n
the
 drive
 utter.

I|'1$l_3_II
 the
clutch
 pl-ates
and
tlitl"-5
 IMI
IEC1-IIE

with
 the
set
ring.

-!’
 “

Date
 t1-I
i55|.tE3
 N0'.r.,
1951
 191
 -

EHDNDA
 MDTDFI
Gil.
LTD.
 1
3  
						

							 
Hanna,-5'1

‘e2
 ADDENDUM
 C10
/I
_.-..

T.
 TIIIIIISIIIISSIIIII

5F'ECIF
 ICATIUII-IE

I

__
 ITEM
 §rI§r~IeAHD
 seevice
LIMIT
 _

|5h'n‘ttorIt
 |.t:».
IH-.UT5—T.'I-lI.ILl:lmmII.3-415-1I-I425-trti
 3'-1‘I.1flrr|n11l,I3-IH-ir|I

B.
 IIIIII
 BIIIIII
 TEIISIIIIIIEII

IE
rnn1BflLT

_
 e

ITEM
 ETANUMU
5
|_?“'|'-|'?'E
 I
 PK‘

IT
 I
M
 I

_

Sr.Ir|nt|
 Ire!
Ie-|t',|tI\
 2|-II
-'r'.m
 I13
|r'.|
 1'1‘
i'|‘.F|
 '

I'3.II
 In]

--
 ._||

'Fu|I'r|:|t:ID.IJ.
 Itsee-Izneemtt-H11_gqm"-.

,
 ID.-1?1B--H.172‘-flrnl
 Itrrr.-nu
ml

PIISI-I
 IIIIII

eerttewtl.

Dfiillfl
 the
Engine
 \;|i|

FIE-rI‘II=I'-II!
 the
sealing
 he-It,
was-tIrer,
 t-urmnner

eurlnu
 nn|:I
push
 red.

Remeue
 tI1e
E
rnrn
 belt
 and
sealing
 washer,

INEPECTIUN
 P-U5"
HUD

Check
 the
pttih
 red
for
wear
 er
damage,
 anti

meaeure
 me
CIJIJ.
 ,,._\I

STANDARD:
 1
I.9B5—12.UCIO
 mm

IU.4?TB—O.1IT|'2II
 i|1I

SERVICE
 LIMIT:
11.91
I"l"|I'I"l
IU.4iI'lJ
 in)
 A

Measure
 the
sprint;
 free
iength.

ETAIIIDARDI
 B3
mm
 I33
||'||

SERVICE
 LIMIT:
T?
ITIITI
 I3.IIIinI

FIa|:|Ieee
 either
part
It
it:
 rr:eay.tm|'nt;|r|t
 dtje-5

net
 fail
within
 the
limit.

TENSIDHEH
SPRING

-

_‘I|

_
 "95
Datecrf
Issue;
r~|=w-,.'|ee1
 _

20
 14
 enemtm
MDTCIH
t:c:.,
LTD.

_—
 “H

J-‘Kl