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GS1100e crankshaft taper...large or small?

  • Thread starter Thread starter arnie
  • Start date Start date
A

arnie

Guest
I have a GS1100ed that was built the 11th month of 1982. The title says it is a 1983 and the engine is black. It needs a flywheel/rotor so I bought a engine for parts that is supposed to be a 1983 and is also black. It came from the widow of a drag racer and has no engine numbers. It looks like there never was any. I removed my flywheel with 30/1.5 mm Puller and when I removed the stater from the drag motor I found my puller was too small for the hub. My question is does this mean one has the large taper and the other small? I don't have a puller for the big hub to see if there is a difference and don't want to spend the money for one if I can't use the flywheel.
 
big puller=small taper.......
small puller= large taper........
got it?


IF the engine you bought has a small left side and IF it is FOR SURE factory BLACK....
then you have an 1983 KATANA 1100 engine as they had the small left side(takes large puller).
 
not only katana SD motors came in black.... we have 1100ES in the UK that also had black motors of the same year... not sure if the same in the US. if it's factory black then it should also have a factory welded crank in it along with a myriad of other "upgraded" bits n bobs. altogether a slightly better motor. if katana motor then also stronger rods
 
not only katana SD motors came in black.... we have 1100ES in the UK that also had black motors of the same year... not sure if the same in the US. if it's factory black then it should also have a factory welded crank in it along with a myriad of other "upgraded" bits n bobs. altogether a slightly better motor. if katana motor then also stronger rods

he has an 83 E/ES(black) for which he is looking for the rotor SC assembly.
the 83 katana(black) info i added was to let him know that it had a small left taper instead of a typical 83 1100E/ES large taper.
the "katana 493" rods to my knowledge was only used in the 82 1000 katana engines in the states.
 
"493" Rods

"493" Rods

From my experience, I'll back Ray up.

A few years ago, I had in my possession a crank known to be from an '83 Katana 1100 (a friend still owns the donor Kat).

I.e. black case finish, small alt taper, small-dia alt rotor, factory-welded crankpins.
It had '493' rods.

.
 
gee wizzz ladies i can't be right all the time..
stay on topic and stop thread jacking:twistedevil:
 
Sorry, Terry.
Bored at work.
No insult, etc. intended.

Carry on.

.
 
Sorry, Terry.
Bored at work.
No insult, etc. intended.

Carry on.

.

i have leather like skin man..
you are ok i my book simply because you know stuff.
now please don't ask me why your bike won't pull over 4k after you removed the air box..HA!:)
 
my point was that there is a lot better quality stuff in the katana motor than there is in the other one so not only should the OP look at exchanging the rotor but give thought to the entire crank as it has superior rods and a welded crank as well; all being the true basis for any strong engine ;)

..... and the Kat SD rods are also in UK bikes at least as well as i can testify, not only that side of the atlantic :)
 
my point was that there is a lot better quality stuff in the katana motor than there is in the other one so not only should the OP look at exchanging the rotor but give thought to the entire crank as it has superior rods and a welded crank as well; all being the true basis for any strong engine ;)

..... and the Kat SD rods are also in UK bikes at least as well as i can testify, not only that side of the atlantic :)

good point except...
i have never broken a rod...
the huge DOWN SIDE TO THE 83 KATANA CRANKS ARE....
the ****small taper****...thats a killer.
the only plus to the 83 katana crank is the 493 rods.
everything else is the same or worse.
 
Replacement cases from Suzuki came with no numbers in the pad area
 
good point except...
i have never broken a rod...
the huge DOWN SIDE TO THE 83 KATANA CRANKS ARE....
the ****small taper****...thats a killer.
the only plus to the 83 katana crank is the 493 rods.
everything else is the same or worse.

a welded crank is the same or worse? how'd ya figure that one?

lol
 
a welded crank is the same or worse? how'd ya figure that one?

lol

oh sparki
you didn't read what i said or i didn't say what i meant..
an 83 1100E has a welded crank also...
get it now?
small taper is bad because they spin somewhat easy when ran hard.:)
 
oh sparki
you didn't read what i said or i didn't say what i meant..
an 83 1100E has a welded crank also...
get it now?

i got it the first time fella.... but thanks for reitterating the point. certainly helps clarify the last 26 years of my owning various GSX motors in various states of tune :)

this site refers to quite a different bike when quoting GS1100E compared to UK sites where THAT would be a GSX1100ES (or an E[insert another letter here]). an 1100E in the UK is an 1100ET esentially and didn't have a factory std welded crank wheras the ES, Katana SD etc motors did. fyi there are also oilway differences on the smaller tapered crank in addition to rods, welding, rotor size etc. all in all a great factory crank. of it's time it was certainly katana SD followed by the 83 ES

you said...
the only plus to the 83 katana crank is the 493 rods

to which i replied the crank was also a good part... that's all i was getting at and you appear to have read so far into it.........

...... anyway, this conversation is fast becoming a "i know more than you" scenario of which i gracefully bow out of... at least ray sees what it is i'm saying. so, well done you win lol


simples innit ;)

get it :D
 
Last edited:
i'm in the US.
the person who started this thread is in the US.
the bike in question is a US model 83 1100E.
you stated "a welded crank is not a bonus..lol"
an 83 1100E has a factory welded crank..
for a street bike i'd rather have the large taper crank over the little wider beams of the kat 493 rods and small taper.
ray's statement was about removing the magnet which wouldn't work very well for a street bike..he was being a funny guy.
thats my only point.
no more/no less.
can we still be friends:p
 
i'm in the US.
the person who started this thread is in the US.
the bike in question is a US model 83 1100E.
you stated "a welded crank is not a bonus..lol"
an 83 1100E has a factory welded crank..
for a street bike i'd rather have the large taper crank over the little wider beams of the kat 493 rods and small taper.
ray's statement was about removing the magnet which wouldn't work very well for a street bike..he was being a funny guy.
thats my only point.
no more/no less.
can we still be friends:p

Maybe we need a translator, or a lookup conversion table. I'm pretty sure the US stuff is correct not sure about the UK stuff though. Do you UK guys use the same manual that is hosted at Cliff's website or is there another (99500-39012-03E)? The designations are all listed there for US models.


Year US UK
1980 GS1100ET GSX1100ET (silver/ small end)
1981 GS1100EX GSX1100EX (silver/ small end)
1982 GS1100EZ GSX1100EZ (silver/ small end)
1983 GS1100ED/ESD GSX1100ED/ESD (black /big end /welded)
GS1100SD GSX1100SD (black/ small end /welded/493)
 
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