Bandit Alley
MODEL SPECIFIC => SUZUKI BANDIT 250 & 400 => Topic started by: jodyvan on August 05, 2007, 12:47:17 AM
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I'm looking for as much information about the Japanese version of the '91 GSF400 that was never released in N. America but I seem to have purchased one for my first bike. I may have crashed it and put a hole (or few) in the clutch cover so need a new one as well as some minor things like new front turn signals and a headlight but those aren't too important. ;)
If anyone knows some info on this bike I'd love if they could share thier wisdom.
Cheers!
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Clutch cover is exactly the same as the one which was released in the states. If your lucky gsxr400 racer might have a casing for you.
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I may have crashed it
:headscratch: You're not sure?
Almost all of the parts are the same or at least interchangable.
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Haha... no definitly crashed it but being sarcastic only a little. Thanks for the tip.
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The CDI is different for definite.
Apart from that, most parts are interchangable.
The biggest potential problem you (and me) will have is that there has never been an english language service manual for the gen 1 vvc (there is one for the gen 2).
I am assured by my local suzuki dealer that they will be able to magic somthing out of thin air, and properly service it, but I have my doubts.
I am guessing that becuase the valve timing is different, the cams and cam chain may be different, and will need servicing slightly differently from the non-vvc bandits.
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there is a manual in the free manual section above for the VV and id say you are correct about the servicing and cam stuff i still have 2 CDI box's for the VV model that i would come off cheap for a good cause.
cheers
Jay
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Fogive my ignorance but what is a CDI box and what does it do. If you couldn't already tell I'm as newbie as it gets blissful in my ignorance till the bill for repairs comes. :P
And the manual that I looked for in the free section are no longer posted and as mentioned for the gen 2 VV bikes not the ones we have. I assume it's probably the same engine though no?
(Good grief the more I learn the more I find out how much I don't know.)
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CDI= the computer tha box that controls the ignition timing and rev limit the heart of the bike
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So in other words a pretty important piece of the bike to know about. Haha. I did read something about there is a limiter on that box for Japan. Is that like a governor on a car limiting top speed or something? By changing that box can the bike be tuned higher or better etc....?
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there is a manual in the free manual section above for the VV
...which means the relevant question is:
What are the diferences between the engines in the gen 1 (V) and gen 2 (VV)?
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Fogive my ignorance but what is a CDI box and what does it do. If you couldn't already tell I'm as newbie as it gets blissful in my ignorance till the bill for repairs comes.
A CDI is a box of electronic trickery about the size of a ciggie packet that controls the spark timing of the plugs.
It is located under the pillion seat on your bike. Take the main riders seat off, you will see a couple of hex-head screws at the front of the pillion seat. Loosen these, and remove the pillion seat, and there it is.
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Thanks El Dopa. What does buying a new CDI box help me accomplish? if I change the timing of the sparks I assume better fuel economy or power of some sort?
Again I reiterate my newbie status. I suppose I could just google my answer.
Seems with all the fine bikes and ideas on here it'll be tough not to tweak my bike with little additions over time. Best little money trap I ever bought. :grin: :motorsmile:
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not sure how your derestrict the VV but the cdi box's i have are stock and probably restricted as well
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Correct me if im wrong but i think the V has shimmed valves not tappets like the standard engine.
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very true on the shims uses the same ones as a gk76a gsxr400
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gen1 v has 4 cam monitors on the head
gen2 v has 1 cam monitor
and yes it's shims for the rockers
other diffrences are bodywork
gen 1 two peice seat
gen 2 one peice
think the frames are diffrent to
I know the gen 2 uses a smaller radiator (still looking for a new one )
not sure what else but if i think of anythng i'll post it up
Andy
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good , good , good if there was enough info about these i would suggest a sticky for the VV model
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neally forgot
carbs are diffrent too 33mm as aposed to 32 on th gen1
and the jeting's diffrent too
dam its fun tring to find bits for the last of the gen 2's
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Thanks El Dopa. What does buying a new CDI box help me accomplish? if I change the timing of the sparks I assume better fuel economy or power of some sort?:
I don't know. Jay/GSXR400racer knows more about the restricted and derestricted CDI's than me. Derestricted on the standard/non-V bikes means the engine will rev higher - beyond a certain limit imposed by the restricted CDI. Which means a bit more top end power.
However, on my V, the only time I've bounced off the limiter was chasing a Buell off the lights in first gear, and the engine was up to 14K+ at that point, so I'm not too fussed about messing around with it.
To answer your next question, the reason the limit is there in the first place is to minimise the chances of something nasty happening to your engine at high revs, like the piston hitting the valves as they open, or something similar (I'm sure someone will correct me if any of this is wrong....).
I have a spare CDI unit, bought from Jay/GSXR400racer, because they are notorious for crapping out, and I thought I'd best get a spare while they were available.
Seems with all the fine bikes and ideas on here it'll be tough not to tweak my bike with little additions over time. Best little money trap I ever bought. :grin: :motorsmile:
Go back! Ahhh, too late. You're doomed.
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only restrictions i know of and have heard of are the speed restricted once in 5th gear you are restricted 4th pulls harder than 5th and 6th
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gen1 v has 4 cam monitors on the head
gen2 v has 1 cam monitor
what are cam monitors?
does anyone know if the cdi's are the same? would a gen2 head work on a gen1 VV?
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gen1 v has 4 cam monitors on the head
gen2 v has 1 cam monitor
what are cam monitors?
does anyone know if the cdi's are the same? would a gen2 head work on a gen1 VV?
CPS = Cam position sensors i would say the heads would be interchangable but the wire harness would need the extra plugs and then i would say you would need the other cdi
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yep the cdi's are diffrent between gen 1 and gen 2
just been tidying out the shed and relised my spare engine is a gen 1 and my current engine is a gen 2 oh well looks like i'll keep it for the bottom end (if i ever get round to stripping it to check it over or i might just leave it as theres an impressive cobweb on it an a nice big fat spider living in the middle of it at the moment)
oh and the air box is diffrent as well.
(think its safe to say it's mostlly diffrent)
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could you tell if this is a gen1 or gen2??
(http://img520.imageshack.us/img520/4121/a6191aa3.jpg) (http://imageshack.us)
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same as my gen 1 spare (only cleaner) on the side of the head you have four CPS's
gen 2 only has 1
Andy
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:motorsmile:
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damn :banghead: :banghead:
thats means i have a gen1 head and a gen2 wiring loom+cdi.
too bad my UK-post-address-friend is slow else i would have them here alreaddy weeks ago...
dunno if my carbs are gen1 or 2 but i doubt if that will give problems.
planning to build this on my US B4 from '91
since i dont have them here yet i cant see this, but would it be possible to just connect just 1 cps or grind 3 off?
if that aint possible there is still the option of making an electric counter which only sends 1 of the 4 signals, but thats not my favorite...
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beyond me mate i am in a dicusion with another person from japan on the grey bike board Bart this guy says he has a 550 gsxr 400 and runs it on the street.
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actually he's from Thailand :stickpoke:
at least if you're talking about typhoonsan...
with your 465cc kit and a 47mm crank (from the gsx400 from 94 and onward) you would be able to get 540cc and he would prolly call it 550cc...
some other thing i noticed is that the gsx400f with the 45.2mm crank has 14mm small-end holes in the rod instead of 16mm (like the B4) so there might be some 60.5mm kawasaki pistons with 14mm small end. or didnt you look at kawasaki at all?
theres room enough to get rid of 1mm to make it 16mm
which crank is good for the 76 according to stripes?
oh well seems 494cc aint the highest someone is gonna go/has went
btw ill be getting another gsx400f crank and a older gsxr400 crank with both 45.2mm stroke (from the slow-UK-postage-friend so it'll take a while :sad: ) so i can see which crank is better and sell the other 2, for people here that also want to go big
but thats offtopic, were talking about the VVT here we've got other topics to talk about stroke enlarging :lol: