Suzuki GS750 1977 Owner's manual
FOREWORD
In this Model G5750, wflich r;omt!5to you with OOf thank. and best wishes, yours tire
()f
the fruits of the kottl$t technQ/Dgic:<llllt;hievemenrs of SUZUKI and the latest
triJditional
SUZUKI qualify. The advanced engineering and manufacturing know-how of SUZUKI
eJl.pres.sesirself in this new model meant 10 be iJ headliner in the exciting world of
motorcycles..
Although Model G5750 does nor discriminate the uwr, rnllre'. nO denying rhat it gives
fuller performam;e and serves with better ecOllQmy when used the right way. It is for
this notion that this Owners Manual sets fOI1./1the minima of careandoperatingpractices
to which your machine behooves you to adhere. Ger mon from your Model G5750
by (oIlowing the rules and lNIvices,whether you drive it fOf enjoyment or for uti/fty.
SUZUKI MOTOR CD.,LTD.
Thj.OWNER'SMANUAL.ppli"IO<womodel."lt~.GS750..,;."
ModeIGS750 5if19le-discfrMtbrakemotoroycie
ModelGS750E... .Doubl.-diIlCJron!b,.k.moto,cycl.w~hcaningwt...I.
.
Throughout rhis manual, WARNING. CAUTION and NOTE carry theseshadesofffl88fl-
iflg:
WARNING .Perwnal S//fery of rhe rider is i""olved. Divegardofrheinforrna-
rion could result in hi$ injury.
CAUTION. . .Forthe protection of the marorcyclu, rhe irnff'llction or rule must
besrricrlyadheredro.
NOTE. ... . .Advice calculat8d to facilitare the use of the motorcycle is given
under this heading.
.
Copying, quoting or reproducing 'my parr of this manual is nor ptlfmirred wirhout ex-
plicltapproVlJI by SUZUKI MOTOR CO., LTD.
.
All infofflllltion, illustrations. photogr8phstmdspecifications confained in thismarwal are
ba$8don the latest product information aVlJilableatthetinwofpubllc8tion. Therightis
reserved to m8ke changesat8ny time without notice.
,
GS750
GS750E
MotOfCyCI.ridil'l\li.ag,..' run,
It., all
.."',.,..coo<cioo.t From 'hi, lollow. numbe1 of .it.1 rules 10<
.00 ef'Ijoyyou,OOIIwithinth.bouoo.ol 'hesecommondm.nts:
WEAR
Sal. nding ".n.
~St..n.tdi.orcei'f,omyoofmoto<cycl..
BE CLAD SIMPLE.
011the rood. btlt tn.,. I. one con<Iition 10<mo~ing It truly Vour>. ThoC<>ndltion: a..lways
y"""
toot>oy. look up to th. rul..
V""
THE HELMET.
wi'h your 'ingth.h.lm.t
"'"
Simpl. cloth... f of 10ney trim. .nd 11.,es, gi..n you, timl>s.nd body.1I tho I_om of m n'
that you need on 'h.,oddle. GI""es,boot..nd"'h.'Tt.m',plu.th..ltalh~m""peokootwh.tyoo
.".ndpronou"""ywrpres&OCIIin'h.t,,,Hic.
CHECK BEfOflE fllOING
R..poctth.inS!ructiOr\Sgi""nunder"INSPECTIONBEFOR£RIDING"in
Imposed yoomor.forVemown..IOIy'h.nlorp,o'octiooof'h.mochino.
OUT.
tni.man...l. T~ar.
FAMILlAfllZE YOURSELF TO THE MACHINE.
Yoor,kill.ndyoo'mechani""llrenare'hoba,i'of..l.nding. Practioeinanopennon-tr.ffksp.c..nd
,horoughlyl.m;ji.,lzoyoo,.,.If,o,hlrnact>ine. P'iIc!ioem'~"perf"",.
KNOW THE LIMIT OF SAFE SPEED.
Howl..t ~"""e,sp_ing"l Thotd<p.nds..mOOll e,her 'hing,.ong'oundconditi ,you'<>wn'~ill
.nd 'h.'.KnowH'.limi'.nd..oidocciden...D,.w.linobet_nthrillol,peed.00 thrill 01 jeopa'dy.
DOUBLE YOURSAFETY.CONSCIOUSNESS ON RAINY DAYS.
W"m""'sPlllpo,il, AvoOcl"wh..l.pinning'"inplckingup.poed. Keop.<afodist.nC8to,he..nicl.im.
medial.ly.hood. Rem.mbe"br.kingdi".nc.doubleson...inydoy. St.y ofl ,h. pililW3dmrlocomork..
m.nh"''''.ndth.li~.. .nd ,.I~., ,.11"'y<,,,..i"ll'.
.
CONTENTS
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LOCATION
OFPARTS..........................
..............
CONTROLS..........................................
FUEL
AND OIL RECOMMENDATION
INSPECTIONBEFORERIOINB.....
BREAKINB.IN.............................
TIPSONRIOING...................
PERIOOICMAINTENANCECHART..
INSPECTION AND MAINTENANCE..
TROUBLESHOOTING ...................
SERIAL NUMBER LOCATION..
SPECiFICATIONS..........
CtlNSUMERINFORMATION ............
WIRJNGOIAGRAM
..................................
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,
,.
16
17
18
...n
...~
~
~
Q
~
~
LOCATION OF PARTS
<D S~Hi".eilgougo
@Centetstand
@ Rlt8rbrak.ped.ol
@
Kickotarttrl._
jJ}Fuelccck
(I} Carbu,elorohck.I r
I!\G..rshlftlOl>er
@ PrCPSl.nr>
.(11 Tadlom.t.r
lit Ignitlcn itch
4} FrClltbrakel r
@ ThreW.grip
() Speodcmet.r
19 Clu!chIOl>.r
:4:
.
CONTROLS
IGNITION SWITCH
Th. ;g,.;tion
posit"'n<'
00,
AII.lectriCillcir<;ui...rooff.
...~"" CD
-
"-
~,
l~n;l;on ci,cui, i. .IGOOdaN;! ",>gin. can
bo ".nod. The hoodlomplnduoil limp
turn on, TheklY will not come off.
P.rking:
When parking ,h. "",,,,revelo, turnt"e
handlebor III th. way ,,,'horlghtert,,
''''''.ft.
INGpo.,'ionond pull offth. key; tho tail
,.mpbur"'.nd" ingi.IDCkod.
Puohord<u,n'hek-vtcPARK.
Look:
WhBfllockiny'he ,i"\l,lurnthol\an.
dleber.11 the W'YIOlh.righte"o.h.
I.ft.
po,itionondpulloff,hokoV.
A pair of key. ate ptcvidod with the
,"'rcycl..Alway.k..p" opar..
CAUTION, Stan up the engine
immedi.,.lv m.,. turning cn the
ignilicnowild1. Them,oni.
Ih.. hoodlii<Tlplights up with ,h.
w,ningonofignj.ion.whch.
WARNING: Sefore ,"rning the
and tu," the key 10 LOCK
Pu'"
. iIIni."," IWitch 1<>PARK!NG Of I
lOCK,onu\do..nthem'chioeond
..'ilin..lf..upponingoonditiOn
by l1,oof'lter.t.ondol.id.,uooo.
FUEl TANIC CAP
The fill", top (1). ~ und., th. fu.1 tank
frontoov",.Ac<:ea<tolh;,.oap;,.hadby
unl""kinyth.c"".,.,.;thth.keyand
""",,'ngit.
WARNING: Wh'nl..fu'I~.I\o.'1
th.."!Iin uldown.ndk..p
.w.ytw<>thi"9l:Ii,eandch;I<lren.
- -
.
SEAT LOCK
HELMETHDLDER
INDICATDR LAMPS AND INDICATOR
n I«k(DI.loca'edunde,'he
,~'.Ideofthe...t Toopen <f1......
Inse<t<f1ellJlltienkeyin,e,h.lcck.
..I ,,,,,lcck by 'urninglh.lgnl'lon
koycloekwi...nd..i..<t>e...,byh.nd.
Toloek pumdcWl\lh in.oth.
poslllen;'t1e will"'.pln'o..lock.d..
condilion.
.
Th.
h.lmes hold., (ill. loe.'.d ...,.
wa,dof'he With th openod.
hong th. helm", fasWM' 'ing '0
th.
helm..holde<.
Th. ~m.. beco.....
I.ci",ed.
WARNING, Don'l run wi.h.1Ie
h.lm.,hltCl>odSO Ih.l\elmethold-
.r,,,,,hehelmtlwlllge'c'u~')n
lllewhe<il'Olnyi'..diseo.."not
""'ntionCO$IIVd'"""9L
,",,',",lnd", ,IOI'IIP@
Gte.n I.mp I. on wh.n me
neulral;i,goesoulwll.nyou.hift,h.
goo,oo,olnou'lOl.
Highboamindica~","mp@
Slu. lamp I. on when h..dlomp i. on
.nd dim , .wI",b knob i. in "H".
Tu,n.ign.1 pilot lamp (f)
Ch"90 I.mp lightS up ., you~id.tu'n
.lgn.lswllehknob'o,h,'igI1'o,l.ft
'elumon.i~"lomps,
"".,
i. in
Oil",...uroindica,orl.mp@
Red I.mp 119m.up.. VOUtumpn ig-
niti"" <Witch;It goes out a.lheor.gine
li,...up.nd"oru.
CAUTION,Wn
".r tn. ojl pres-
",ro jndic.lorlampllgnuup.ud-
d.nlv""'il.outont~'ood."op
'h. m<>to'cycl..chockoil 1...I.nd.
.,noco,,"rv.rofjll,h.Ojlpon,o
Ie..., Thi.should putout,~
I.mp: If not. ha'"V<>U, tno,jffij
SUZUKI d.~.r look Into th.
.ng;n.'I"".i.isllkelv"'otth.
I.mp oj"",it Or th. lu,",ication
'v...mIs jnf UVoonclitjon.
Goarpodtionlndic..or(i) Tho nu"",r.iinthi'lndicotorshOW'1he
lI"arpooi1ion. 1,2,3.4 or 5. Th.nurner~
di you shih bock to tr.l;
NEUTAAllNDICATOR lAMP 19r..nl
wjllbum jn..oad.
Spoodom @
Spoodome'.rindic
mil.. por hour Or kilom.t...
"'.d
,poedin
porhour,
Todlomot.r@ TachOfllOt.rindic..e.angine
",,,,,lu'ion'pllfmlnulO.
O<IometerO;
Odom.t.r i.t...II1.tptaldj.t."".tn.
mo'orov<:l.h..bo.ndri n.
Trip moter o!}
Tripmetori.p",.idedintnawood-
orno1or..dindico,osdi...nco"...ned.
The "ip rooding can bo...to
1umingtheknob@.
,.'"
by
TURNSIGNALLAMPSW1TCH~
DIMMER SWITCH
Wh.nth.dimm itcto<D is moved to
HI po.ition,th. high beam Ison. WI>on
th.dlmmor itchr.!T1O\Ied10 LOpos1.
tion.tholowt>oamison.
Slld.tIo itchtouL..posltiontorl.tt
turnl"lllnd","R"'o,r;gntturning.
W RNING'
signollompstogosturovo",io'
ton.ionolcMnging,h.la""or
mokingI tum.
P th.burton.o sound th. horn.
Boou"'tou..thotu'n
~5:
,
-,--
THRDTTLEGRLP
Engines"""di.""nt",n.dbvthrotUo
gr;p@. Twisf It towlld vou to pickup
.po<id,
FRONT
F",ntbrak.i.
br"".I
BRAKE LEVER
r<A;..
"
ENGINE KILL SWITCH
Tho.ngj,,"kill...it<:lo@'ioloc.,odon
tho top olth. right handl.grlp.witch
hou.ing.
'nRUNpooitlon"holgnitioncircultis
onarKIongi...wiilope..,..The.wit""io
inlandod i>'imarlly .. ..ieI'! or eme,.
gerqowitch.
fLECTRICSTARTERBUTTON
I'u>h tile ele<:tric...""rbun"" 0to
.ta" th. ""gjrte. Thi..le<:tr",..."ercon
"th..ngI... ovon
"a
""'.nth'lI"""a'.
engagod,iftbedu""''''''.ri.pulledin
~cMch\odi..ngaged).
CAUTION, Do no! push tho but.
tonfo,m",.thanfi"" mioa,a
time.!llheengj,,"doesno,.ta".
wait.. lea" fi.e to ten
boforo puohlnglt again, If ,110
.ngi""..illdoo.not..."ah.,
,01
."."'pts, check tho 1u.1
andi!lf1ltionsysto"'s.
"""",do
CLUTCHlEIIER
T!Ioclu""'lovor@iouoed,ointo""pt
dtl""'o,..r"",..lwhon"a"'""orohlft-
it19,h."a''''''I.oIon.
Sq".ozi"llth.,.""rdi th.cl""'h.
..
REARIRAKEPEOAl
FUElCOCIt
o..tv noluelin...._
1:hI_IOPRlpOoitioro;n
1UoI-'fl-.dlnctfylOlho_
n........_.....
Upon""...............-
II> """",1ho_II>ONoa/1ioo\.
R_ brlk. "1pIII~ by dtpm.lno br....
podoI(I).n..tlrlk.lomp on..
1II.tlrlk ,.,.....
"
n.,fwlcodc If) on 1II1smo,orcyo!.Is
ofdiAphr 'ypo.ndhoslh '"
IiDno: ON. RESERVE ond PRIMING,
Bd<nNrti ongi...""n.......
eoc:k IOOfrt~ion;lhofuol'-
_tho i__~.
dw.....___
Iflttofuolin iotoolow 1ho
_toRES-'tion;___~
4.£1lit (42 USqllof._
_.
NOTE: 8o_00
mtionVO<l'-IO_bywhilo
runninoonRESERVE. Th
RESERVE..j..IIo, blingV oo
",""",'''1".''1111"",
'thol...""
I"
GEARSHIFT lEVER
. '
,
ji.'
"ThBGS750ilequippedwitl1.E>,peed
tran,mi..;on ""'"",opo'.tes..sI>ownin
ther.9Jra.
Nout.aI i,lOCItMl botwoonlow.nd2nd
ge... Low lI".r I. 0"lJ89l!d
pr...ingthol"".r @Iromth"neu,,"
"",ition. Shiltinglntohigllo,gea..i'
oocornpl"".dbypullinuuptho,hif!l..or
""""'0' 0"'"
low to 2nd gO". neutra!
skipped. Wh.nneutrollswontodlo'
'~l11j,dopl"...or,"i..tholov.rto.
ha!/>Qy position between lowOlld2nd
~,.
ge.r. Wh.nshiitinglrorn
by fullv
'''nomati.'I1~
"
KICK STARTER lEVER
do-
The ongi" bo..."",,>!..,
pr ngkidr.".n"" (!)
~..
CAUTION:
<hiltlng.
o
Thronlodown bolo.o
WARNlrro, Upon firi"llup of th.
boSUralOraot"'.i.h.kldr..
ItonI!,~toIUIKll1n"posItion
bh0'M11nthophotol.
CARBURETOR
CHOKE
lEVER
REAR SHOCK ABSORBERS
I. up: Illh. Ihrottl.g<;p~'umod.",,".
,.11 omounl, ,neeng;n.l>ecom..hard
<0..0... Wh.n Ihe en,,;M ...I,oo<IV
worm, ope..tion 01 ""rbure<or choke
lever;. "",,,",,,,,,.rv.
Thec,,,bu...,o,...,,.'.Y".mOI 'Y
U...nineold""' 'by'upj>lying
. ,ichluo1/.i, mix'u", W n"."ino.
""ld gin.,puliupehoht <D.11
11>.w.v. When .ng;". bec<>m..
.nd
cI1ok.l.v.'II'o<Iu.IIV10 hol<l<lown
MO;no"",""l>elow2.SOO",m.
After the e~".
1ho<:h"".I.'.r.U' w..,baek.
Donotopen,h.,hr"nlowhen'hi,lev.r
<pm Incr ~ pu,hdown Ih.
.""Ino
w...mo<l up. ,,,urn
"
wo""
"
Tho <hoof< .boorbe..@
,e",;on>houldl>eadj""'edtom..'r".d
eondi'ion.nd mOlOrcycl. 'P..<I, Po<j.
ticn,!;'i,fornmm.!ridin."
WARNING: B.,u'elCodju"
,pr;ng>ol'he'wc.bocIbo"oqu.l_
Iy. MOkingOno
' clh.'di01u'''''''.'''nnino....
bHityclthemochln..
'p,i"" "iffor fhon
""Ino
'''''
FUEL AND OIL RECOMMENDATION
FUEL
Ga..,linlu,ed ,hould be g..dlO 85-95
octa~orhigh.rofonunl.adodorlow_
I.adgasolinetypo,
ENGINE
Be'ur.,h., th.""gineoil
un<:lo<APlcI..,ifi"",ionof$Eo,-$D.nd
'hlli".isco.i'Vro'ingi,$AE'OYI-40.
IfthlSAEIOW-40mo,oroili,nota..il_
Obi..,ole-ct ,h. oil vi",,,,,'V occo'ding,o
thi,,,,,.,,:
OIL
V""
"'.COme,
'"
.
.
_00
'OW_50
'11W_30
""
,~
-00
~
"
~
+
"
"
+
"
+
.
.
..
+
..
~
,.
"
.
INSPECTION BEFORE RIDING
www.ClassicCycles.org
WHAT TO CHECK
J
St..nn~
Brak.
Ti....
Fu,l Enough fuel for.he in.er'lded
Ligh.ing
E~gineoll
Th,ot.l.
-
Clu'ch
Ori...hoin
NO ,""I..
-
I)PfOpllfped.lpl.y
OPrope'p'.....".
Alilompsllgh.up_HEADlAMP,TURNSIGNAllAMPS,BRAKElAMP.TAlllAMP.
Horn,oun<l>off.
Enougnoll
OPro,,",play
I-
1!Pro",,'pl.y
1IP,ope"en.ion
CHECKTO.BESURE:
-
2) No ".p""gi.~.",.u
21 Enoughtrood.
"'~
2ISmooth'o>poo..
2lSmooth~lon
21 Adequ".oillng
-
JI No Oil
JINo"".ok',norlpping
I.'''''ge
-
BREAKING-IN
In
p<><si~e",...ri.l. .re u<ed.rId .11
pr""e.. of ",.,..,I.",u.. the best
"'~
"'..
cl>ir>e<lp."'...lloi odto.v.ryhlg:.
".od.,dbu,lt i."ill...""...,y to allow
"'.",ovingp.rt"0"BREAK.IN"bolo..
",biecting m. .ngine to ",..i",u'" m....
os. Th. future
perlo''''o"". aod ..Ii..
bililV 01 th. ""Iji... dep.nd. on thoca..
00d,...,ai01..e,<:i<edduringits_ly
Ille. Thell",,"ralrul...re..lollows:
1) Keep
'0
Ilmi,o:
loi1ial
~'m
(500",11..)
Up to
l,600km
(1.ooomll..1
0.,
1.600km
(1,OOOmil..1
B.low
4,ooorpm
Below
6 000 ,pm
Bel",.
9 000 'pm
21 Upoo ,eaching an odo"'..., ..&ding
01 1,600km 11.000mll..I,you c'o
subjeclttJem010,cyd.tolulit/l,onl.
ope,,,'oo. How""."dooo1"ceed
9,OOOrpm.t.oy~m.,
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