Honda C70 Manual
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"‘\. /~ /< .'. /__ "-/’ /—~. -15, O1\'l'D.A. SHOP MANUAL C70 ' I. .. ' -- '1 '--::.'......: I';:".'-"555? ::- :: -FII35 5'53--'7'3§:'-E" . '
h IIIFBRTMIT SAFETY IIEITIEE Indicate: H‘ strung nrmibllfly nfsrwrr ,I:'.rI-unul mm arias ufflfie lfmnmm.-u amnnl ms» mr. CRUTIDNI I-'m‘I1'-fin :1 pm:-fbi£fl,1' nf pmwrw-' |'n,r-ur_v ur cq-ulpmrn: -nlarrangir if immwrinn: are nu: fiaflowei DEIIHECI dfltflpllnns d1‘ itifldird workshop pruuadmai, safer»; prindpiaa, and qnrvncn upgmium Ir‘ |1|ut|nclud||d_ It II |1'l'll§lfll'12I'l'l'I tn nu-tl that this lTE|‘lL|B.| cnnmlru. some warning: and flurinnq qggirrai nml amdfiu survive ninth- -Udl W|"l|G|'l cuuld EBUII FEREONIL INJURY ISO flrultl bflfnnrlll (I |:;r|.|Id during 5 ulhiflq qr rgnpfgr 11 |_mgu!q_ F1845! I-1I'1d=B1'lT-Bfld ‘III! 17105! '-I‘mH1i-flgi Dquld mt cmrlr 51! oonnlivubl: my: in which ierlnce, wh-&Ih|:r nr_ not Flm"""""!"'5=l‘1 1'-W Humtln Ififlhl bl ilflfll fll B7 ‘U1! pflflibli hue:-rmu-.1 :flfl|=q\llrIc=i cn‘ each mnoaiuablu way, nur |:|:I-uld Honda unvasrlmta I|| uunh warn. Anyone udrlg 11-rwlm |iI"DCIl2|\|l'Ii_ or tools, whether or nut re-|:urnrnam:Iefl by HONDA must aan'sFy h-l'I'1'1iE” Hlwnughfy lhnt l'lI|l|'lIf plfsunal safety nor ualflcla ufelv wlill be iauuardimd |.'|\,r thfl I-H11-'|rl.‘|! methflfli ur Tu-tllli illiutad. ‘K’ In ——
H-. u-—\. .- 1 1'“- r"~- 3"" /"~. F“ IF- _,|- d__—- cto A HUW 'l'[| USE THIS MMIULI. Frallctw the Mairttertance Sflhcdulu fgggm mtmdutiolis to ensure lltat the ye1|i|;||g i5 always in peak operating isnnditit-.-n. Perform- ing the first ttt:|‘|~|11rJu||.tr.i maintenance |5 very.- impartarit. It cttrnpensatas for the initial wear that {llIE.1JF5 rlur ing the |:|r-zal-t-in nerFr_'|d_ Sacti-ans 1 thrttugh 3 annl-,r to the 'l'l||'hQ-|fl motorcycle, while sections '11 through 1? dc-scribe parts of the muturcycle, grnunea at:-tsnrriing tn In-r;atinn, Firirl the section ‘|'D|.l want an this page, then turn ta tha tabla ui tnnt-ents |:|n page t Qt that $s't:t|¢.1n. Must serztinns start with an fl5st3mi:||y ur system irlustrallari and specificatrnns, torque values, ganaral instrui:tians_ tools and 'lri':iu|:iFa- shunting far the satttltm The subsequent D6965 giirfl dilfililfld nrncettttres tor the section. ll‘ yau d|:in’t i-tirtuw the sir:-urtpe of the trciub-|e_ se-e iatttinn 15, THDUE-LESH DUTING. Hater to the adctandum at the hank af the shop manual 1'0!‘ infnrmatign un the IQ-B2 ETD. ALL H-IFDHMATION, ILLUSTRATICINS. DI HECTIDHS AND SPECIFICATIONS IM- CLUDED II“-I THIS PUBLICATION AFIE BASED Di‘-.| THE LATEST Peuuuct rm FORMATION r1VA|LA£LE AT THE TIME UF APFHUVAL Ftjln PRINTING HONDA Mt':|T|I:-H C-:1, Lrn. HE5E|=tyE5 THE HIGHT TD MAKE CHANGES AT ANT TIME WIIHDUT Nutice AND WITHDLIT INCUHHING ANY DHLlt3ATtUN WH.=.T EVEH. HO PAHT OF TI-H5 PUBLICATION i MAY HE HEPHDDUDED WITHOUT watt . TE?-J PEHMFSSIDN. HONDA MDTDH C-U., LTD. _ ENG HE G EN E RA L IN F DHMATTDN LUBRJCATIDN INS? ECTIDN AND ADJ USTMEN T FUEL SYSTEM =A E HG I NE Fl EMDV-it LII |'tlS'|"A L LATIDN CYLINDEH HEADNALVE ad CVLIN DE HIPISTOH E CLUTCH d GEARSHIFT LINKAGE Ii TRANSMISSIDNIDRANKSHAFT CAM CHAIN TEHSIDNEH CHASE S F RDNT WHE E LISUSFENSID N _L D-J Fl E A Fl WHE E LISUSPENS ION -I‘ . DJ BATTEHYICHAHGING SYSTEM IGNITION SYSTEM F HQ E LEG-TH TC STAR TE H EWITCHES THDUBLESHDDTIHG S-anriaa Publications Office wmms DMBHAM Datfl ttf lssu-is: NOIL, 1951 ‘El HDNDA HIDTDH ELL, LTD. aae '32 ETD ADD E HDU M
I-Iona‘ na. ctn MIJIIEL IDENTIFICATION I It .' ;.-f .' i I. I J d |- "FE ,‘._ '-‘I*_.'-. - -- 3 '_ E I _i_ , III \ . we .r .—"' TI'IB Ifflme -}ari.;|I r|t|rrthur is slafltpéd IJI1 lII'|B I'I’DI'I'1'l'it I-III I-II-Ill I]ahI||cI the tide cover. The e-tqing strriii nurr|I|qr is :It1n1|'J|-ad 0:1 IIIE IDWBF IEI1 crank LBJB. The Vahictu Identification Humhlr it rm the '5-at-My C-err!" qriurt LnheIon1h&Irarna's left tide. \ The :,arb4_[et1;r:t-r i|,'Lur\tiIir:l|nn |1umI'JI!r ts stem-pad on 1ID|:| 0-‘ the carburetor fume. Date uf Issue: ‘May. I935 §_'-IHDNDA MD TOH CCI._. LTD. _h _.~'--_ ..._L' I -1| *1 1"». “H -1 --"w .1-\
~i%§¢§?"%%”“I . GENERAL INFIIRMATIIIN In .-'_. 1 /"'\,| I-\- _r"-. Ff-e IF-" a“"'*. I GENERAL SAFETY ‘I-1 SEFIVICE FIULES ‘I-1 SPECIFICATIONS I-2 TDHDUE VALUES I-4 TCIDLS ‘I-5 . _-_ CABLE 3: HARNESS EIULFTING 'I—B MAINTENANCE SCHEDULE ‘I-B EMISSIDN CCINTFICIL SYSTEM 1-5 GENERAL SAFETY [M -II Irhr rnginr mmrr be mania; to uin mm wt-mit, math- sure the ems Lt‘ itch‘-tleariiutigd, ,'IIIrti¢',|' rm-| my engine in II‘ riruwt arm. Ht: en-Jamar ca-n.r-urn: nnismwm -nsrbnn monoxide gels. Eitercihre I: exrrertmhi flammable and is -t'.tt,tI.ItJ.ts'ntr Hnrffr -rtrrmtirt rrlnditiunr. Lin not smoke air III‘-cw flumexur sparks In your wrists; mes. SEIWIIIE IIIILES design speuzlficati-ens may tilemege this nntnrsycle. 3- Use the special tcctls designed T1',I|"TI'|Ii pm-|;Iui:t_ 3. Use only l"l"lETI'IlI Inn-ls when servicing !I'tI: n-nturcyi:,iu_ Metric Iitfl-I‘I:, hull, at-tit ntrnws are not Intucluingaable with Engllgh The -Ivmrm-_y eiercioiyrc contain: .:m.[|"'|.rtI'|':' m-int. -H'[rF£:.I‘ .IwIi1' ¢:I-'-H. 1-It-in me‘ starting. In me of ccnnttct, Hid: I-Imruu_|;Itt[t= wt'.*It mtrcr end -t-uI'I' III deem: If nlarrraijtrre rel: In your tI_t't*.\i. TM bdrffly gcnieretes hydmgm gar which curt -In: Aigailv rxpfosfm Du nor make nr n.II'u-w fluntirs or .spn-rl.-: near Eh‘ Ira.I‘trr_t', eqxchlbi i||.=.tI¢|I|I|: margin; Er. I-Ii" liI'""'-1I"B HUNDA nr HDIIIDA-rec:tmn'ienr-Id! parts ind: Iuhsicents or The-Ir equivalents. Part: that don't meet Hence’: IflEIEI'IErs, TI1: use cf inccrtect taut; e.I'trJ llittlnrrri may der-neqe the n-|amn,:yi;.Iq~_ 4. Ins!-all new gaskets, D¢in|;|s, ccttm pins, I-ucit plates, etc. trmen renssinnialing. E. Wltttn tightening bu-Its at nu-It, begin with the Ierger-iiiamutn or inner he-It first, and Iighlnn ta the specified I;t,||-qua yilugg itiaqc-nally III 2-3 I-ltrpr-. unless a IIIiI‘|II-£LtI:t ttqslflrlcc is specified- 5- CIB9" FWFH I" H0"-Tlflmmabifl Or high llttsh point scIu'e'nt upcn dis-lsscrnhly. Luhricete any siittlrg ;t.tr|';|m; hefcre reassembly T. -"’i'Il=r rlisscntily, check :tI1 parts Inr prune! Initellettttn en|:I uni-itin-n, Date-at I=.a.ni.~: May, I961] 3 1 _ 1 EHDNDA MDTCIFI C-0.. LTI3.
G ENEFIA L IN FDHMATIDH I-I£lE1¥lfiD.l\.| SFEIIIFIIIQTIIIIIS ITEM DIME N5-1DN5 FRAME Dvlrnll llnqth Dvarull width Uvflnll heigh: Wheelbase Sear helgl-11 Fn-utp-sq height Minlmmn grnurfl dmruhm Dry weight Tvul Fmn: gugpenflun, [uni Flair iu.q:lminn,1.'ra1.Il| Fmn: llre 11:2, presmra Hair tlr-I me, are-saura Fm nl Intuit: HBIF brake Furl rlpl cit-,r Fuel tamrva l.fl|I0l1Z'|l Cairn’ will Trail 1.305 rnrn BB5 mm Q95 mm 1.180 mm FED mm 250 mm I-Ill mm B15 kg Backhu nu 1T1.1 inl 120.2 inl 139.? lnl I-43.5 Inl 119.9 inl 110.2 inl I 5.1 lfll I IE-4 lb-I Lflldlrq-L inll Swlnqirm 2.25-I I-HF!-'t 2.50-1?-EH Clhll upnmrmi llndlrg in: Had up-armed Ina-dmg shoe 11.0 lit H.125 U5 Bil. 0.58 Imp gnlil 0.151 Ill 10,21 Ufigai, 0.'tB lrnp gall B4. TD mm 12.H lnl 55 mm B0 mm an kq.*cn'|: 2.5 km‘ cm’ 12.2 In] 12.4ln1 125 pxil 140 psil E.NG1NE I Tvu-I Cyllndar arrarngamant Ema mu mcflcu Displacement Curnpruslu n rs: in Vim lrlln Maximum hu-raapuvm Maximum mrqua Ull qDI¢it'||' LI.flJri-Cllidfi :1-rtnm Air filtration Gqrllrlllr cnmpresflnn Intake vulva 0|:-um. Ginsu Exhaust value 0|:-an-5 |:|U'i-I-‘I Valve clmranaa [Co1d1 Enqma weigh: Id]-I spud Air cuulud 4-illflll snqm, lnifiinad ao°1=mm unrtlcul flflxHAmMLfi:LfiM| 1'2 um‘ 14.-I uu nu 8.13:1 Chum driwqn overland mmmuh 5.0 B!-|P."1',0£I3l rpm 0.55 hq-rn."5_ECKI| rpm DJ Iir 1fl.?4 U5 qr. 0.52 Imp qr} nflur dlmsllmbli 0.0 lit 10._B5 US q1,0.531m|:| qll lfilf drllr-Frg Fund fl|'BI.11.I'E and wet-aumu F-BIII1‘ 12.5 : 0.5 l¢q.'cm= 11'.I'B 1? pair: u” arm: 20" man: . I 25 Ham: ll'||'TlI11||t 5" ATIJC IN: 0.05 mm 10.1I.~l2in|\ El." 0.05 mm |U.lIJi'ln1 1B kg 130.? lb? 1,500 :1: 100 rpm GA-FIBLFH ETIDH Garhmnur I'f|'JI ldcrlllfilz-‘Hun numb-er Pllnt screw Initial fitting Flam hm-I Filtun vulva, 14 m1'n10.55 inJ vervrturi L-are 'Bflr PB32A '-ET‘ PBIWC SH page 4-? H1? mm [0,-I12 In} 1-2 * Date M‘ Issue: May, 1_9BU' Eli-IUNDA MCITDH C1'J., LTD. .-="-"1 "'5- -*1 -Fm ’_"+ /_'-. .»—=.._ - | |'_I . II
F"-"-. I-‘In-_ “I ""1 "1 1'“--1 r""'~ F-‘ll n“"‘\-. “'“I=‘?'I3”“ E-EH ERAL INFD FIMATI DH v _ _ ITEM DFINE ‘|"i'-‘IAIN 1 C1|.rt=h Tranuniannn Primary rei.‘i1:|I!tI0r| Final raduutiun Gear ratio I Gagr ruin ll Gnr ratin-Iii Gmrshifi pattern i ELECTRICAL ignitinn Paint 98:3 lgnltian liming "F" rrnlrk F1..liill21l.lIl'lOI : Stating system , G-anlratur Banary I31-Zlfll‘[\' Splfh ping Ba-lrk mun ma Fuse aanatfltv LIHTS Hndiiqht 1high.I'lnw hnml Tallfunplighl Turn Biflflli Speadnmatlr Nu-uml India-|u:rr Tun _I1Il1I| indicator Hhh balm in|:Iic.at|:|r Wu muiti-ptata aummatic nuntrihqai 3-spud mnillnt mI!!l'I 4.053 1.521 3.??? 1.1122 1 .190 Ln!-r fnul Upflffltflfl re-tun :-psram H-1-2-3 Fiywhaal rmqruam 0.3 -- 0.4 n1n1i0.0I2-0.-iII1fiiniI 15* awn. Sum: an‘ aruc at 3,1911 rum Kick nlrtlr ariri mrtlr ninnr Fiywha-alA.C,g:ar1a|r|tur E7 '|'iI.15_.iII0 mm B1.I'~11AH- icmmnal For nu-Id .-Jlmmu Fur vuiendnrl high bubw 5°C, 11°F STANDARD -spud D|JIl'l11Dl'l Qaai ad F65 ' Ha .~a.1'-.=__ u2m=a can uzzrs cm-is umaa ' can Iu2nFsa lcnsnsi liufizrsn [CHTPHSI |[UL1;4FSH i0RBH5i |. _'.Li. .1 i 0-5 — 0.1’ mm 10.014 — 0.023 1|-1,1 IDA T. l5.|'1E‘|'iI 5.3|"25W WW 1.7171‘ 1-'I"W 11'W l.'i'W 3.-'.'i1'=|= 21c:p IFFI 1w 1\=P ‘IE9 aaa 010.113 SAE Nu, 51 EAE Nu, 51 SAE ND. 51 $15. E No, 51 Data of laturr M31, 1050 EIHDNDH MDTDH EU‘... LTD. E 1-3
GEN E HAL INFO Fl Ml. ‘HUN Henna. '"-1... 1:10 '~$§,»' T011002 '1'l|.|.|E§ ENGINE ft-1b 1 _ Cylinder 11.11.1111 l:rn'|:r Camshaft spvru-1:1-let Clutch 1:11:11. nut 1 Final driwr aurwkat Flywheel‘ 50211 ativlnugr -I-I-ru-11:|:|.h 1 i @130’-13-U'|m - - Turquc 1 . Thraaci tam '0 tv ma. [mm 1- “Elm . -1- 1 I D 0 — 1 2 1-.-S--lg;--.1 .5 0.5-0.9 -T 3.0--1.5 -33 1.0-1.-I1 -11] 5.5-0.5 -4? 0.0-1.2 -9 FRAME _ mm | G W Th-rear! di-a. (mini _' Ternuw Irg-m H:-ll: ' Steering rtam nut | Har1-cilabaraa-rtinq nur. Shearing in-ck Fmnt axia nut Englnu 11|n|j1|r bu!-1 Hair axle nut Firtai driven sproairut Hear braita tr:-rqua link Flea-I |hn|:i< abm-rber F0121 nag 5-wingarm pivot lznh Frflnt mmlrmun nivnt hnit Frnflt 1u1nen1Furr stunner bull. Fnunt 51191:-it absorber upper hair l11.'ll\.‘l-111.1-I-h-II-r\.:.h-1-n.J--|~,}|q-.-| III ii _l. mmmumuuuuuummfi -III F mnt tu m aignai :!.a',r 15.0 — 0.0 2.0 - 3.0 0-G -1.3 3.0 - 4.0 2.5 — 3-5 11.0 1* 5.0 2.0 - 2-5 1.0 — 2.0 2.0 — 2.0 2.0 — 2.5 3.0 - 4.0 1.0 — 2.0 2.0 — 3-0 2.5 — 3.5 | 43-65 H-22 1- H 22-29 18- 25 25-BB 1-1--15 T-14 -2? -IE3}: 1‘ I -29 -1.1 1»:-21 1a-as 0.35 - 0.5 2. 5-3.5 .. ...__..-n...-_-- __ the atlndlrda given beiurw- STANDARD TUHDUE "u"ALUE$ TOITII-IE IP-H-‘|1‘i\=I1i1=rI= limd lbmw are fur the mun irmnnmnr tigfiilning 1:1-Dinti. If e tulnua auacificstiun -is nut mire-a, |'u1hw.r Turqua Tnrqul I kg-rm 11-111 .| i ltam - 1' _ ’ kg-m 11-111 : mm 5 mm halt. rwt 11.115 - a.a -3.:-1 - 4.1 ' 5 mm -mw 5 mm 11°11. "01 0.3 -1.2 0 -— 5 Gmm snraw 5 T‘l'li‘l‘l 0011, I'll-I1 1.5 2.5 13 — 1B B mm flatge hn|t_ nut 15 mm 01111. T"-I1 3-0 — L0 2'2 — 20 B mm fianga belt, nut 12-mm h-nlr. nu: i 5.11 - a.a as - as 10 mm fling: r~.-=11...-1.1 0.35 -- 0.5 2.5 — 3.5 0.?-1.'l 5- H 1.0-1.4 7-10 14-10 12 -22 3.0-4.0 22-29 1-4 1 0-ate of lssua; May. 1900 EHDND-A MDTGH C-0,, LTD. ""1
1"“. r"'-"K. -'-*-. _"'_‘\ ’? ""1 1--1.. 1”‘-. f'\ .3"-"‘.'\ {"1 GEN EFlA\L IN FUHMET ION 'fl0LS 5PECl.P.L Tupi Name T-pol l"-in. 'l1"I'r' Flaf. DIIJIJ Valve midi: rflfllnlflr Flwmeel h-nlclai wrnacm may ha used. Bali rat: rrrmuvar Fin s-p-anrfltr. 30 mm Value guide driwr 0?5B#-0550000 02922 12111101] 1 Dpmmrrnlally‘ available hand flrflp 11‘04fl1?0D1'Il0 019131;!-uclruflflfl med?-1 1301110 COMMON Tupi l'1l-I111: M9310-2??-01??-4 1U.5~fl-. 0n1'r'1 1 1 1 1 1 T.m;|| N¢_ (Pry Alternate Tuul ea, a-9 1.1.1, we 12-13 12-12,12-10 0-9 Tu-:11 1"-lo. Ref. page F lpat lrnlil qluqll "|.I'||1r\1 guide re-rrnwar 5.5 mm Unlwrial huldnr 11-1.. adjunlnq wnmrh, B_:rr__0 mm- "|"ra1HI lvI!l1Llfllfl-ll 'nwnch. B L,-1:1-pl: nut wrench, 20 11 Ii mm Erlrtrrniln 11 mr Flptpr puller Bearing driur l'liT\l1llI, A Bauring driver miter. 32 1: 3-5 mm Earning clrlvar u-utar, 3? 1: -'10 mm Bearing driver pibt, 10 mm Baarinig tlrinmr pi1r.|t, 12 mrn B-"ring drlu-ar pilnt, ‘IT mm lieu [M21011 ablclrb-ar an nrpraarur Hipplt manner 5. -1-5 1 5.1 mm Valve spring cumptfltflt Lm;R'nur wrench. 20 11: 2-'1 mm 07401-0110300 07211-2-0010100 0l|"'|'2E1-00101111 D??D’3~0UI|11'I1 02208-0030-1111 07215-0020202 0721541120500 02733-00210001 0??-1-0-11110013 07711-5-00101011 07245-1111 0300 err-1a-up-1=u1m urna-no-10200 071-111-011-11:1-inn 111959-32900111 aTr1r1-002112110 erramnruuea 0711641020100 U.S.A. nniv, rifnr to S,T,11l, No. -117 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| \l'1!l1H'0-fl|J1l2lU I'IH'I;W!ll' Cl1.11l‘;1F l"lfl-lad-Ir IV Cmnnvarualhr l:11l B:-19mm eflla hm:-a1r1d wrench (‘Jam-1.111-ar1:irl Ii|1'Il10'l!lB 1111mmring bolt Driver 1111111111 Baring driver attach. ltll Ba-lrinp clrlvrur -ltmch 1 E 0T9-12-32510100 [1-T023-01100000 013015-350-0'11 rrra4a-a1 1 crane n19-an-aanueuu 02945-313201 DD nremnaatnua. 31' mm |JTii¢1-5-30011000. -111 mm -1-5 a-9 a.:1, aa a-a 3-5 B-3 5-3 1-I1-i‘ 12-9,13-'1 13-9 12-9 13-'4 12-9 13--1 13-5 13-10.13-11 3-15 Vnhfl mrlaa urea:-arraeaar 6-5. 6-11 1X1I'l'1|I'I'iW|' 5-3, 3-1:1 l .- ._ _ Data pf lsauer May. 1930 @l‘1¢1"~l1L'lA MCITUR CD., LTD. 2 1-15
T C N D n A H R D F m L A H E N E 0 W J W_ W E E W _ _ _______ _ ‘I ‘luv _ F _ _ _ _ __"? ' Ia‘ _H ‘__ ___ __ G __ S Mk _ _fi G. H‘ _\ __| _\ ffi m MM mm “___” __ f (J ” E W W w u H _ HF Q F W % _ 5* _“ H fl ___ kw E % 0 _ T _% J __ ~ Mg __ 5 _ M _ t ____ I ___ _ __ _ H H H _F _1 Q E _U_ E T_ __ mm ___ x_ __ _ _ __ |___fl__H ______ _ G U K ‘W W _ _‘ _% ‘ M _% __n_} f k _ in 1 __ ___ I ___ g , ___ i _ __ U E ‘Q 2 _____w L L _____ I‘ 7 _ _ I_ c __ |"||| _ I. I; 1‘ |_ ‘III _ 1 Z if ___"__|___m__HH|_|||_ I fl_:_H__I __- rll l_||1.h|H_H._1_%_1_w“|_H_|_____1_P___‘____ 5%? ___’ E H X __ _ __ _ _____: $|_W_\_ _ _ W I Q‘ __ ______w:| ’\_€_F_q in _ ufim W __ / If ____$_flf___.__ H 8 N BU E _ ___. __