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Eoin 600
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PostPosted: 03:32 - 05 Nov 2008    Post subject: Bad back pressure with cut exhaust? Reply with quote

Hi Very Happy

Im new here,ive a question!!! i have a 600 bandit which i am currently turning into a streetfighter,but my ideas mean i want to chop the exhaust below the foot peg and have no can!!

I know i will loose a bit of top end torque but would it do damage to the engine?
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Eoin 600
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PostPosted: 03:49 - 05 Nov 2008    Post subject: Reply with quote

Also is there much hassel choppin and raisin the tail or fittin lets say an R1 tail??

Thanks Wink
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NiteMare
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PostPosted: 07:24 - 05 Nov 2008    Post subject: Reply with quote

cutting the can and link pipe off will most likely require at least a rejetting, to get that correct you'll really want some dyno time...


to fit an R1 unit won't be too difficult for someone like me who has chopped and welded metals about before plus i have the tools to do it ...

buy your seat unit, remove your old one, take your time and examine what you are likely to need to do, bits of wood, string and tape will help you to see what needs doing
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NiteMare
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PostPosted: 15:20 - 05 Nov 2008    Post subject: Re: Bad back pressure with cut exhaust? Reply with quote

Odie wrote:
Eoin 600 wrote:
Hi Very Happy

Im new here,ive a question!!! i have a 600 bandit which i am currently turning into a streetfighter,but my ideas mean i want to chop the exhaust below the foot peg and have no can!!


So here we have it, chop your exhaust off turns it into a street fighter. Rolling Eyes


that wasn't an exactly fair response, the guy said he has ideas and has actually asked for advice on more than one point..

maybe you should offer some helpful advice rather than trying to piss on his parade
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ms51ves3
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PostPosted: 16:12 - 05 Nov 2008    Post subject: Re: Bad back pressure with cut exhaust? Reply with quote

Odie wrote:
NiteMare wrote:
that wasn't an exactly fair response, the guy said he has ideas and has actually asked for advice on more than one point..

maybe you should offer some helpful advice rather than trying to piss on his parade


if he had actually asked a question about street fightering a bike instead of asking about chopping his exhaust off then yes he might of got a civil answer, but chopping an exhaust off does not make a street fighter, or didnt you know that? Middle Finger


He never said it did, if you read it he says he's turning it into a streetfighter and one of his ideas is to chop the exhaust off.
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NiteMare
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PostPosted: 16:30 - 05 Nov 2008    Post subject: Re: Bad back pressure with cut exhaust? Reply with quote

Odie wrote:
NiteMare wrote:
that wasn't an exactly fair response, the guy said he has ideas and has actually asked for advice on more than one point..

maybe you should offer some helpful advice rather than trying to piss on his parade


if he had actually asked a question about street fightering a bike instead of asking about chopping his exhaust off then yes he might of got a civil answer, but chopping an exhaust off does not make a street fighter, or didnt you know that? Middle Finger


do you wanna look at a couple of my bikes ??

i haven't built fully stock bikes lately, maybe not "your" idea of a streetfighter but mine are a little different to the usual stuff that falls off the shelf ...

would your idea of a streetfighter entail throwing lots of money at a spondon frame with SSSA then off to TES to buy a pair of expensive yokes??

oops mustn't forget to toss a fuck off big wedge at a Yoshi titanium system, then pay for shedloads of other expensive bits..

how's about giving the guy a little advice or asking a couple of questions to ascertain his intentions, then maybe give a couple of suggestions to help him along with his project...

and here i go returning your smilie Middle Finger
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MaybeGuy
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PostPosted: 16:40 - 05 Nov 2008    Post subject: Re: Bad back pressure with cut exhaust? Reply with quote

NiteMare wrote:



do you wanna look at a couple of my bikes ??

i haven't built fully stock bikes lately, maybe not "your" idea of a streetfighter but mine are a little different to the usual stuff that falls off the shelf ...

would your idea of a streetfighter entail throwing lots of money at a spondon frame with SSSA then off to TES to buy a pair of expensive yokes??

oops mustn't forget to toss a fuck off big wedge at a Yoshi titanium system, then pay for shedloads of other expensive bits..

how's about giving the guy a little advice or asking a couple of questions to ascertain his intentions, then maybe give a couple of suggestions to help him along with his project...

and here i go returning your smilie Middle Finger


i think its more to the point that you cant actually streetfighter a bandit... over analysis?

oh yeah... heres a pic to try and provoke a reaction. enjoy.
https://img80.imageshack.us/img80/264/27102008088ao0.jpg

OH MY FUCKING GOD ITS A STREETFIGHTER
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Kickstart wrote: Hi I tend to agree with Matt. All the best Keith
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NiteMare
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PostPosted: 16:52 - 05 Nov 2008    Post subject: Re: Bad back pressure with cut exhaust? Reply with quote

mattsprattuk wrote:


i think its more to the point that you cant actually streetfighter a bandit... over analysis?


here we go, the most commonly fightered bike in this country "can't be fightered"...

i think you're more likely referring to the ones that end up with a blue flame can and a pair of dominators bolted on along with a few anodised bolts that get called fighters....

with a little imagination and a few tools (abilities help) just about anything on two wheels can be fightered, chopped, cafe'd or triked, it just depends on your determination, cash and what bike you have...

i think the OP would probably get more encouragement from the good folks on Disturbing The Peace (do a google fella ) Thumbs Up

edit ...

i'd already posted before the picture, nice stumpy, battle scars go well Mr. Green
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MarJay
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PostPosted: 17:16 - 05 Nov 2008    Post subject: Re: Bad back pressure with cut exhaust? Reply with quote

NiteMare wrote:
here we go, the most commonly fightered bike in this country "can't be fightered"...


I think we are getting into semantics, but I have always been under the impression that you can't make a streetfighter out of a commuter/naked bike.

I have always understood the definition of streetfighter as a factory fully faired sports bike with the fairing ripped off and flat bars bolted on. Whether or not you raise the tail, move the coolant bottle, fit a tarty headlight, do a custom paint job or whatever makes no difference. The basis of a streetfighter is a sportsbike. The Bandit isn't a sports bike.

As far as I am concerned, the bandit is a good bike but a tarted up bandit is a tarted up bandit, not a streetfighter.

I'm even willing to believe in such a thing as a 'factory streetfighter' but again it would have to be based on a sportsbike (including frame). The Aprilia Tuono and the Triumph speed triple/speed four/street triple R are the only bikes that immediately spring to mind.

Maybe I'm wrong and nowadays any tarted up bike can be a 'streetfighter' but it is a corruption of the original definition IMO.
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Ichy
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PostPosted: 18:06 - 05 Nov 2008    Post subject: Re: Bad back pressure with cut exhaust? Reply with quote

NiteMare wrote:
i think the OP would probably get more encouragement from the good folks on Disturbing The Peace (do a google fella ) Thumbs Up


https://oldskoolsuzuki.info/
Have some nice modifided bandits with loads of advice
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NiteMare
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PostPosted: 18:14 - 05 Nov 2008    Post subject: Re: Bad back pressure with cut exhaust? Reply with quote

MarJay wrote:
NiteMare wrote:
here we go, the most commonly fightered bike in this country "can't be fightered"...


I think we are getting into semantics, but I have always been under the impression that you can't make a streetfighter out of a commuter/naked bike.
(editted the middle bit out)
Maybe I'm wrong and nowadays any tarted up bike can be a 'streetfighter' but it is a corruption of the original definition IMO.


here's a picture of a fighter i really like, completely out of the "normal" bike to be considered for a fighter.. i think it looks the mutts nuts...

https://i259.photobucket.com/albums/hh311/NiteMare_08/angelis_204.jpg
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MarJay
But it's British!



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PostPosted: 18:52 - 05 Nov 2008    Post subject: Re: Bad back pressure with cut exhaust? Reply with quote

NiteMare wrote:

here's a picture of a fighter i really like, completely out of the "normal" bike to be considered for a fighter.. i think it looks the mutts nuts...

https://i259.photobucket.com/albums/hh311/NiteMare_08/angelis_204.jpg


I'd just like to say that is probably THE ugliest bike in history. Even if it had fairings it would be ugly. Let me guess, its a teapot?
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NiteMare
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PostPosted: 20:24 - 05 Nov 2008    Post subject: Reply with quote

now we have "ugly", i think that is just a matter of taste ...

you may like the shiney spangley fancy bits that do nothing except terrify you every time there's a little damp, dirt or salt on the road when it's all shiney spangley stuff...

that bike i posted has "attitude" (fuck you kinda attitude Mr. Green ) which i like, there's nothing on there that's not required, there's several power improvements that can be seen easily, there's also handling improvements and it appears that it can be a everyday rider (the power may be a bit too much tho when it's really shitty) ....

i doubt we'd ever agree on what "makes" a fighter Mr. Green
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Eoin 600
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PostPosted: 20:52 - 05 Nov 2008    Post subject: Reply with quote

Wow wase"nt expectin that!!!!

I can see were some of ye are comein from!
I had a few bikes before but never modified them! So am still a bit new to that side of things!!

I know streetfighter is a fully faired bike sports bike choped up but didnt know what way to say what i had in mind!!

I wanted to have a clean lookin back with no can,just wanted wheel,swing arm and tail look hence the cut exhaust hence why i asked!!

I wanted to change the tail end,front,bars,lights etc....

Thanks for some of the replys,and sorry for other i might have annoyed with my ignorance Thumbs Up
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stevo as b4
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PostPosted: 21:27 - 05 Nov 2008    Post subject: Reply with quote

I don't think anyone is saying that you cannot make a far better and more agressive muscle bike/streetbike out of a Suzuki Bandit to be fair. They have always attracted alot of aftermarket kit and personalisation and modification as they are an affordable naked bike that can be massively improved in every way with some cash spent on them.

i do agree with Marjay on the literal definition of a Streetfighter meaning a modified sports bike, or at least a factory produced machine that is heavily derived (engine/frame similar or the same) from a sportsbike in the manufacturers range.

having said that there are alot of very good naked bikes that are factory produced and have an agressive street bike style to them, but technically are not streetfighter's. Hornets, FZ1's, Z1000, CB1000R, B-King etc, are all naked high performance bikes that go and handle quite well and are much closer to sports bikes in handling terms than a sports tourer or commuter bike. Maybe the right term for these are Muscle bikes? If so then please make mine an MV Brutale 1078. Smile
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ms51ves3
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PostPosted: 21:52 - 05 Nov 2008    Post subject: Reply with quote

stevo as b4 wrote:
MV Brutale 1078. Smile


Drooling

You can't beat the black 910R though.

https://www.bikez.com/pictures/mv%20agusta/2006/23361_0_1_2_brutale%20910%20r_Image%20credits%20-%20MV%20Agusta.jpg
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Ichy
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PostPosted: 22:01 - 05 Nov 2008    Post subject: Re: Bad back pressure with cut exhaust? Reply with quote

MarJay wrote:
Let me guess, its a teapot?


Not quite, it looks like it might have been a GSXF1100?
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SoND
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PostPosted: 04:01 - 06 Nov 2008    Post subject: Re: Bad back pressure with cut exhaust? Reply with quote

NiteMare wrote:
https://i259.photobucket.com/albums/hh311/NiteMare_08/angelis_204.jpg


"Faster than a curry through a choirboy"

Laughing Laughing
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Odie
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PostPosted: 09:19 - 06 Nov 2008    Post subject: Re: Bad back pressure with cut exhaust? Reply with quote

NiteMare wrote:

i haven't built fully stock bikes lately, maybe not "your" idea of a streetfighter but mine are a little different to the usual stuff that falls off the shelf ...

would your idea of a streetfighter entail throwing lots of money at a spondon frame with SSSA then off to TES to buy a pair of expensive yokes??

oops mustn't forget to toss a fuck off big wedge at a Yoshi titanium system, then pay for shedloads of other expensive bits..

how's about giving the guy a little advice or asking a couple of questions to ascertain his intentions, then maybe give a couple of suggestions to help him along with his project...

and here i go returning your smilie Middle Finger


The first time the word "street fighter" was used was in an article in B.S.H (back street hero's magazine) in early issue.
It was an article about an XS 1100, with bugger all frame, big engine, with a pair of webber DCOE 40's stuck on for good luck, with a duplex chain conversion.

The idea being big engine, loads of power and no weight, now i dont see that nowadays do you?
What i see (the majority of the time) is fancy frames, lairy paint work and loads of money being spent on some-thing that
most "street fighter" riders wont use unless its dry, the idea of changing an exhaust because i want to make a street fighter just does not come into the equation, now if you cannot see that then thats your problem.

Eoin 600 asked about chopping his exhaust off to make it a street fighter, nothing about anything else he had done or was planning to do.

By the way "RATS RULE" Twisted Evil
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Finglonga
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PostPosted: 10:43 - 06 Nov 2008    Post subject: Re: Bad back pressure with cut exhaust? Reply with quote

mattsprattuk wrote:

oh yeah... heres a pic to try and provoke a reaction. enjoy.
https://img80.imageshack.us/img80/264/27102008088ao0.jpg

OH MY FUCKING GOD ITS A STREETFIGHTER


Tax disc is illegal. Wink
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NiteMare
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PostPosted: 10:56 - 06 Nov 2008    Post subject: Re: Bad back pressure with cut exhaust? Reply with quote

Odie wrote:


(editted the first half dozen paragraphs out)

Eoin 600 asked about chopping his exhaust off to make it a street fighter, nothing about anything else he had done or was planning to do.

By the way "RATS RULE" Twisted Evil


aah you read his first post and jumped straight for the jugular rather than read the whole thread Razz try again...

edit...
have you any idea of his age, that may cause his insurance to be astronomical if he started to look at big grunty engines

"rats", now there's another kettle of smelly fish, most "rats" nowadays are built, which in my opinion doesn't make a "true" rat...

rats going back some years were bikes that were oldish bikes that were used and kept on the road on a shoestring, bits fell off and the owner decided the bike didn't need it or replaced it with something that would do the job, then the bike was only looked after to the minimum required to keep it going, a "rat" wasn't a fashion statement, it was a bike that slowly evolved over several years or a couple of decades of use ....

a tin of matt black does not make a rat Razz
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Kickstart
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PostPosted: 11:04 - 06 Nov 2008    Post subject: Re: Bad back pressure with cut exhaust? Reply with quote

Eoin 600 wrote:
Im new here,ive a question!!! i have a 600 bandit which i am currently turning into a streetfighter,but my ideas mean i want to chop the exhaust below the foot peg and have no can!!

I know i will loose a bit of top end torque but would it do damage to the engine?


The amount of pressure isn't really the issue. The length of the exhaust is the issue, and how it joins together. These change where pressure waves are bounced from back towards the engine. How long they take to arrive changes the point in the rev range that they do their best to draw the next lot of exhaust gases from the engine (or alternatively, the revs that arrive at and screw up power by trying to ram the next lot of exhaust gases back into the engine).

General rule of thumb is that the shorter the exhaust then the higher rpm it will work best at. However if you had a system that was designed to give peak power at 15000rpm and had it on a bike otherwise designed to do 10000rpm you would almost certainly gain nothing. Indeed you would lose the advantages in peak power caused by a well matched exhaust, while also likely gaining a massive flat spot at 7500rpm.

Changing the length will likely change the mixture requirements. but quite likely not a case of needing to be richer (or leaner), more a case of needing to be richer in some places and leaner in others.

All the best

Keith
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Odie
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PostPosted: 11:15 - 06 Nov 2008    Post subject: Re: Bad back pressure with cut exhaust? Reply with quote

NiteMare wrote:
Odie wrote:


(editted the first half dozen paragraphs out)

Eoin 600 asked about chopping his exhaust off to make it a street fighter, nothing about anything else he had done or was planning to do.

By the way "RATS RULE" Twisted Evil


aah you read his first post and jumped straight for the jugular rather than read the whole thread Razz try again...

edit...
have you any idea of his age, that may cause his insurance to be astronomical if he started to look at big grunty engines

"rats", now there's another kettle of smelly fish, most "rats" nowadays are built, which in my opinion doesn't make a "true" rat...

rats going back some years were bikes that were oldish bikes that were used and kept on the road on a shoestring, bits fell off and the owner decided the bike didn't need it or replaced it with something that would do the job, then the bike was only looked after to the minimum required to keep it going, a "rat" wasn't a fashion statement, it was a bike that slowly evolved over several years or a couple of decades of use ....

a tin of matt black does not make a rat Razz


Ah yes the great rat debarcle, have to agree about rats, they have to evolve, cannot be made no matter what people may say and matt black paint definatly does not make a rat. Thumbs Up
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