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red98 · 12-09-12, 09:02 PM

no,not good.....not standard........i`ll carry on with the other cylinders and see what happens on the test ride Wink

CRH · 12-09-12, 09:10 PM

dont you think it may be better running it up to temp b4 u set mixture?...i would have thought that just might make a diff?

Dead Eye · 12-09-12, 09:52 PM

Everybody is probably thinking it, but carbs (and engines in general) are still not fully sussed in my mind. So; the mixture screws increase / decrease the amount of fuel that is being drawn by the carbs (or something to that effect) so wouldn't increasing the jet sizes have the same result as turning the mixture screws out? Of course you are still running a standard can and it shouldn't be necessary but...

My other random thought is, what if fuel pressure is low? Could a half faulty pump or filter be restricting the fuel flow and preventing enough from getting through? It's a bit of a twist on the same theme that has been followed with fuel starvation...

So much has been discussed but its like 20 pages back and I don't want to go re-read this entire thread - it would take all night Tongue

ade the blade · 12-09-12, 10:29 PM

(12-09-12, 09:52 PM)Dead Eye link Wrote: Everybody is probably thinking it, but carbs (and engines in general) are still not fully sussed in my mind. So; the mixture screws increase / decrease the amount of fuel that is being drawn by the carbs (or something to that effect) so wouldn't increasing the jet sizes have the same result as turning the mixture screws out? Of course you are still running a standard can and it shouldn't be necessary but...

My other random thought is, what if fuel pressure is low? Could a half faulty pump or filter be restricting the fuel flow and preventing enough from getting through? It's a bit of a twist on the same theme that has been followed with fuel starvation...

So much has been discussed but its like 20 pages back and I don't want to go re-read this entire thread - it would take all night

hmmmmmmm........lots of the above post sounds familiar :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin only one word is important here.......and that word is good `ole FUEL. either the delivery or mixing of same is the key here....trust me.......i say ya buy one, ya get one free, i say ya buy one , ya get one free. if ya didn`t laff then you`d just shit ya panties :lol :lol :lol :lol :lol :lol nighty night.

CRH · 12-09-12, 10:36 PM

(12-09-12, 10:29 PM)ade the blade link Wrote: [quote author=Dead Eye link=topic=2066.msg38838#msg38838 date=1347483155]
Everybody is probably thinking it, but carbs (and engines in general) are still not fully sussed in my mind. So; the mixture screws increase / decrease the amount of fuel that is being drawn by the carbs (or something to that effect) so wouldn't increasing the jet sizes have the same result as turning the mixture screws out? Of course you are still running a standard can and it shouldn't be necessary but...

My other random thought is, what if fuel pressure is low? Could a half faulty pump or filter be restricting the fuel flow and preventing enough from getting through? It's a bit of a twist on the same theme that has been followed with fuel starvation...

So much has been discussed but its like 20 pages back and I don't want to go re-read this entire thread - it would take all night

hmmmmmmm........lots of the above post sounds familiar :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin only one word is important here.......and that word is good `ole FUEL. either the delivery or mixing of same is the key here....trust me.......i say ya buy one, ya get one free, i say ya buy one , ya get one free. if ya didn`t laff then you`d just shit ya panties :lol :lol :lol :lol :lol :lol nighty night.
[/quote]....soz ade?...just cant trust a bloke in high heels!!!! :lol :lol :lol :lol :lol :lol :lol :lol

darrsi · 13-09-12, 12:48 AM

Still not happy with my bike between 2000-3000rpm, so it's booked in to PDQ Monday week.

It WILL get sorted, albeit the issue of a small fortune, but the man who deals with it is a genius, so i'll report back when it's done and let you know what he found!

red98 · 13-09-12, 08:11 AM

(12-09-12, 09:10 PM)CRH link Wrote: dont you think it may be better running it up to temp b4 u set mixture?...i would have thought that just might make a diff?

yes ......did that crh........adjusting the mixture with the engine hot and running is no fun :eek :eek

red98 · 13-09-12, 08:15 AM

(12-09-12, 09:52 PM)Dead Eye link Wrote: Everybody is probably thinking it, but carbs (and engines in general) are still not fully sussed in my mind. So; the mixture screws increase / decrease the amount of fuel that is being drawn by the carbs (or something to that effect) so wouldn't increasing the jet sizes have the same result as turning the mixture screws out? Of course you are still running a standard can and it shouldn't be necessary but...

My other random thought is, what if fuel pressure is low? Could a half faulty pump or filter be restricting the fuel flow and preventing enough from getting through? It's a bit of a twist on the same theme that has been followed with fuel starvation...

So much has been discussed but its like 20 pages back and I don't want to go re-read this entire thread - it would take all night

good point on the fuel pump and filter Wink

....i bench tested the pump and all seamed fine Big Grin

could change when its under pressure though :\ .....filter was clear and again seamed fine.but as they are cheap will probs replace Smile

Lawrence · 13-09-12, 10:08 AM

(12-09-12, 08:17 PM)nickodemon link Wrote: Just acquired a fzs 600 1999. It seems to run fine sometimes and other times it feels like its running out of fuel and hesitates about 5000 rpm usually when gassing it to overtake :eek . I find if i hold the throttle open it hesitates then clears. It has a micron race can and standard air filter. Any help appreciated

Mine was the same, would hold back for a second or two and then start pulling. New air and fuel filters fixed it. About £13 and £5 respectively from Wemoto.

nickodemon · 13-09-12, 06:06 PM

Just ordered a fuel filter to see if it helps. Thing is sometimes it runs fine, so i would be more inclined to think its electrical, but for a fiver it's worth a punt.

CRH · 13-09-12, 09:23 PM

com on then red?...put us out our misery !!!!! :rolleyes ......did it work or do i owe ATB a blow job???????? :\

ade the blade · 13-09-12, 09:26 PM

(13-09-12, 09:23 PM)CRH link Wrote: com on then red?...put us out our misery !!!!! :rolleyes ......did it work or do i owe ATB a blow job???????? :\

we are waiting mate.... :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes

CRH · 13-09-12, 09:29 PM

(13-09-12, 09:26 PM)ade the blade link Wrote: [quote author=CRH link=topic=2066.msg39012#msg39012 date=1347567802]
com on then red?...put us out our misery !!!!! :rolleyes ......did it work or do i owe ATB a blow job???????? :\

we are waiting mate.... :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes :rolleyes
[/quote]....ile warn you now matey?....if i do lose the bet?..you paying me petrol down t yours!! or i keep me fuckin teeth ...IN!!!! :b

red98 · 14-09-12, 07:50 AM

no time to play last night as working late,busy today aswell and i think iam working this weekend too :\ .....nice to have the work.....but i want to sort the 600 aswell :\ :\ :\ :\ :\

CRH · 14-09-12, 10:09 PM

Try not to be too long mate?.....got him who wears the high heels"..scratching on me top box lid!! :\ ....itching to fill me tank for a filthy night of gobbleygooch!! :rolleyes .....he soooo wants me to be wrong?...i can feel it in me lycra pants!! Wink

nickodemon · 15-09-12, 05:35 PM

Replaced fuel filter. Noticed when the fuel ran out the old filter it was orange in colour. I think my problem is rust in fuel tank. When i looked in fuel tank it looks spotless, so it must have rust at the bottom :\

red98 · 15-09-12, 08:33 PM

(15-09-12, 05:35 PM)nickodemon link Wrote: Replaced fuel filter. Noticed when the fuel ran out the old filter it was orange in colour. I think my problem is rust in fuel tank. When i looked in fuel tank it looks spotless, so it must have rust at the bottom :\

if you take the tank of and remove the tap and fuel guage sender you can flush it out quite easily Big Grin

se what comes out Wink

has the bike been sat around for a while Smile

red98 · 15-09-12, 08:35 PM

dont think i will have any spare time this weekend to play with the 600 :\ might be monday night now :\
can you wait that long ade Wink

ade the blade · 15-09-12, 08:56 PM

(15-09-12, 08:35 PM)red98 link Wrote: dont think i will have any spare time this weekend to play with the 600 :\ might be monday night now :\
can you wait that long ade

awwwwwwwwwwwwwwwwwwwwwwww go on then.....i suppose so Wink

.

nickodemon · 15-09-12, 11:13 PM

(15-09-12, 08:33 PM)red98 link Wrote: [quote author=nickodemon link=topic=2066.msg39220#msg39220 date=1347726925]
Replaced fuel filter. Noticed when the fuel ran out the old filter it was orange in colour. I think my problem is rust in fuel tank. When i looked in fuel tank it looks spotless, so it must have rust at the bottom :\

if you take the tank of and remove the tap and fuel guage sender you can flush it out quite easily Big Grin

se what comes out Wink

has the bike been sat around for a while Smile

[/quote]
I'm going to take tank off and drain. I've just bought the bike, so i don't really know how long its been lying.

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