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+--- Forum: FZS600 Fazer (https://foc-u.co.uk/mybb/forumdisplay.php?fid=78)
+--- Thread: end can (/showthread.php?tid=65377)
end can - coke66 - 06-09-13
If the original exhaust on a 600 fazer is replaced with a viper end can, do the carbs need to be "down jetted?"
Find that when throttle wound back hard, engine misses - but if done gently ok, also after 40 mile ride other evening parked up for quick smoke and when tried to start off again bike wouldnt fire up and smelt of petrol as if choke was on, gave her half an hour and started ok !
Any ideas :o
Thanks
Re: end can - Chris - 06-09-13
Doubt the problem is the exhaust to be honest mate... I replaced my can with a blueflame can and it's been running much better for it. I changed to a K&N air filter too... might be worth a look.
Although sounds like a carb problem or spark plugs/leads/caps to me. I am by no means an expert though so sure someone more helpfull will be along soon!
Chris
Re: end can - coke66 - 06-09-13
had carbs balanced about 6 weeks (400 miles) ago, will try all of above, thanks
Re: end can - Chris - 06-09-13
Ok, no kinks in fuel pipe when fuel tank was put back on?
Has the problem been happening since the carbs were done or has it just started happening?
Chris
Re: end can - JZS 600 - 06-09-13
That's funny, whilst not wanting to join the stuttering fazer club with I'm going for it, say up 9-10000 revs, then suddenly whack the throttle open there's a slight hesitation then away.
If accelerating linearly, no problem. Weird, uh.
Re: end can - Kentish - 07-09-13
I don't like those viper end cans thought they were a bit cheap. One would question if they even dyno run the bike with then on. scorpion do. hise vipers are a race can aren't they? The stock can is the best for a fazer. Runs sweet with the stock can on
Re: end can - Chris - 07-09-13
(07-09-13, 06:33 AM)Kentish link Wrote: The stock can is the best for a fazer. Runs sweet with the stock can on
Not sure I agree with that, it's very restrictive. Some aftermarket exhausts help the engine breath better and in my own experience has helped the engine run smoother.
Chris
Re: end can - darrsi - 07-09-13
According to my dyno man, stock wins, hands down!
Re: end can - Chris - 07-09-13
(07-09-13, 12:30 PM)darrsi link Wrote: According to my dyno man, stock wins, hands down!
Guess I'm wrong then :'( Haha, aftermarket sounds better though! :b haha!
Chris
Re: end can - Dead Eye - 07-09-13
I was under the impression it was the headers / downpipes that were better but there wasn't a proper consensus on the end can? In any case, I'm happy to sacrifice a bit of power for the sake of that grin factor that only an aftermarket can will provide ^^
This is currently the one thing missing from my car... it sounds nice... but it needs to be louder! My old Golf was fantastic, didn't have to go fast at all, but in 5th at 30 mph, just put your foot down a bit up to 35-40 and I just had a massive grin ear to ear ^^
Re: end can - darrsi - 07-09-13
(07-09-13, 01:01 PM)Dead Eye link Wrote: I was under the impression it was the headers / downpipes that were better but there wasn't a proper consensus on the end can? In any case, I'm happy to sacrifice a bit of power for the sake of that grin factor that only an aftermarket can will provide ^^
This is currently the one thing missing from my car... it sounds nice... but it needs to be louder! My old Golf was fantastic, didn't have to go fast at all, but in 5th at 30 mph, just put your foot down a bit up to 35-40 and I just had a massive grin ear to ear ^^
Apologies, i stand corrected, i had the downpipes in mind when i wrote that. :crazy
Re: end can - Chris - 07-09-13
(07-09-13, 02:17 PM)darrsi link Wrote: Apologies, i stand corrected, i had the downpipes in mind when i wrote that. :crazy
Dammit man!! I rely on you to get things right!! Now I can't believe anything you have said or ever will say, the trust is gone, it's over. :b
Chris
Re: end can - darrsi - 07-09-13
(07-09-13, 04:32 PM)Chris link Wrote: [quote author=darrsi link=topic=9757.msg99871#msg99871 date=1378559866]
Apologies, i stand corrected, i had the downpipes in mind when i wrote that. :crazy
Dammit man!! I rely on you to get things right!! Now I can't believe anything you have said or ever will say, the trust is gone, it's over. :b
Chris
[/quote]
Well he didn't actually mention the end can, he just said that the stock exhaust's on most bikes are generally better.
My bike came with new downpipes but we had no idea what make they were, which is what brought the conversation up.
Re: end can - nick crisp - 07-09-13
It's going to depend on what you want from your exhaust. Generally, on carburetted bikes, they'll always run sweeter with everything stock, the Japs have more funds for R&D than everyone else. But there are good cans out there. I agree with Kentish - had a Viper can on my thou when I got it - lovely and loud but ran like s**t. Much better with the standard can, but then good with the Scorpion it has now. Definitely more pull from mid to high (baffle removed). Pretty loud tho'.
Exhaust and freer flowing air filters (pod, eg S&B, K&N) with carb UPjetting (mains, maybe raise the needles a notch) works better than just changing one side or the other. I had a GSXR slab-side with Pete Gibson exhaust, it was a direct copy of the Yoshi works pipe, full system, carbs with no air filters (not recommended) and jetting the same as Mick Grant's Superstock bike, went like a bat out of hell compared to standard.
I've also had a Kwak Z650 with Laser 4-1 and S&B filters, upjetted on the mains only, ran sweet.
Re: end can - darrsi - 07-09-13
I've got the SP Engineering Moto GP end can fitted at the moment, and it all runs sweet apart from around the 2500-3000rpm mark, where it's a little bit jittery and you have to work the clutch.
The carbs are balanced so i'm definitely sure it's caused by the end can, as when i put the Quill one on it's not so bad.
I really want to give it a go without the baffle out of curiosity but the noise would be ridiculous, i already get people turning their heads when i ride down the road with the baffle in, and i reckon it's about 40% louder with the baffle out.
Sounds rather cool though
mokin [size=78%] [/size]
Re: end can - JoeRock - 09-09-13
(07-09-13, 06:36 PM)darrsi link Wrote: I've got the SP Engineering Moto GP end can fitted at the moment, and it all runs sweet apart from around the 2500-3000rpm mark, where it's a little bit jittery and you have to work the clutch.
The carbs are balanced so i'm definitely sure it's caused by the end can, as when i put the Quill one on it's not so bad.
I really want to give it a go without the baffle out of curiosity but the noise would be ridiculous, i already get people turning their heads when i ride down the road with the baffle in, and i reckon it's about 40% louder with the baffle out.
Sounds rather cool though
That's because of the length of the can mate more than anything - had the same thing on my Ninja 9 - ended up shimming the needles and it sorted it out perfectly (that did have semi flat slide carbs as standard though which didn't help matters). Once I had that can mated up to a set of Akky headers that thing ran like an absolute beast
Re: end can - darrsi - 09-09-13
(09-09-13, 01:46 PM)JoeRock link Wrote: [quote author=darrsi link=topic=9757.msg99925#msg99925 date=1378575406]
I've got the SP Engineering Moto GP end can fitted at the moment, and it all runs sweet apart from around the 2500-3000rpm mark, where it's a little bit jittery and you have to work the clutch.
The carbs are balanced so i'm definitely sure it's caused by the end can, as when i put the Quill one on it's not so bad.
I really want to give it a go without the baffle out of curiosity but the noise would be ridiculous, i already get people turning their heads when i ride down the road with the baffle in, and i reckon it's about 40% louder with the baffle out.
Sounds rather cool though
That's because of the length of the can mate more than anything - had the same thing on my Ninja 9 - ended up shimming the needles and it sorted it out perfectly (that did have semi flat slide carbs as standard though which didn't help matters). Once I had that can mated up to a set of Akky headers that thing ran like an absolute beast
[/quote]
That does sound like a plan, only problem is i occasionally get bored with the noise and chuck the longer Quill can back on for a break on the ears, so for now i just put up with it, it's not really a major, just annoying knowing it could be slightly better.
Re: end can - dBfazer600 - 09-09-13
Coke66
Having similar problem with my bike but only started after I serviced the bike myself and that is with the OEM can on. But I have just changed my spark caps due to damaged rubber and will testing it out tomorrow. I also found a few stones in the sink hole that I have cleaned out as it may stop a solid connection between plug and cap.
I will test and get back to you
Daz
Re: end can - dBfazer600 - 10-09-13
Been for a blast where new caps and throttle adjustment to take out the play has made a big difference. Bike is allot smother yet and had a little hesitation around 10krpm. Although that could have been me as the bloody thing went off like a rocket
and i may have rolled off the throttle as my arms were pulled from their sockets.The throttle cable adjustment made gear changing smoother and more sensitive which has transformed the bikes and my reactions respectively
ex Daz