Best carburetors?

OldSchoolZ wrote: 29's were the hotrod carb for those bikes. Slightly larger than stock.
Anything bigger on a stocker Z is almost too much carb. If you do go with some 29's which you can usually find for around 200 dollars, be sure to call sudco and order new needle jets and jet needles. No sense chasing hidden issues.

If you find some 29mm smoothbores for $200, I'll pay you a $100 finders fee.

I'm not searching for carbs for my bike - I'm just wondering what the top of the line carburetors are.

u said if money is no object.
i would take TMR's first because they have a choke, then FCR because they dont. then RS Mik's.

even 29smoothbores will take some bottom end away on a stocker.

OldschoolZ, totally agree with the CV's, my mate has CR carbs and is forever tuning them. My CV's I spent a total of 2hrs jetting and they perform incedibly well. The CR's and similar have their advantages but not on the road/ touring applications.

:woohoo:

I've got VM29's on my gpz750 motor and to be honest around
town riding they suck.

I'v got a few $100 in jet's, needle's pilot's and all the tunning
stuff and just can't make them be nice under 1/4 throttle.
After that best carb.'s I've had on this bike.

I have 29s on a 1075 with mild cams.I bought them from a guru who rebuilt and jetted them for my motor. Starts great and has very good bottom end in my opinion. Made it a whole new bike.
Wayne

zukdave wrote: I've got VM29's on my gpz750 motor and to be honest around
town riding they suck.

I'v got a few $100 in jet's, needle's pilot's and all the tunning
stuff and just can't make them be nice under 1/4 throttle.
After that best carb.'s I've had on this bike.

Theyre made for a little bigger motor than what youre running,I bet they give that little 750 a nice top end punch though.
I know they make a night/day differance over 26s on a 900/1000 though

I have a 78 KZ1000 with a 79 engine. It has a 1075 kit with fresh rings and head work completed just last summer. The work included new oversized valves both intake and exhaust (.5mm over stock), head porting on the intake side, resurfaced the head to raise the compression just a bit (don't remember how much was taken off), Star Racing cams (Z2 cut drop in's) and all parts related to the cams are brand new.

I have Mikuni 29mm smoothbores and after this head work the bike runs great, however I am seriously considering some Mikuni 34mm RS carbs.

What kind of performance gains can I expect from them related to the head work I've had done? Does anyone have any opinions about this engine setup? I don't know if these cams were my best option, but they were affordable as a drop in and a step up from stock.

Thanks for any feedback.

Wireman I'm thinking like you little motor
big carb. Never gonna idle nice.

Good thing santa all ready bought me
an 810 kit and he's been leaving money
every pay day for a Larry C preped head.

On another note uncork the pipe
they work real good WFO.

ez_goin112 wrote: I have a 78 KZ1000 with a 79 engine. It has a 1075 kit with fresh rings and head work completed just last summer. The work included new oversized valves both intake and exhaust (.5mm over stock), head porting on the intake side, resurfaced the head to raise the compression just a bit (don't remember how much was taken off), Star Racing cams (Z2 cut drop in's) and all parts related to the cams are brand new.

I have Mikuni 29mm smoothbores and after this head work the bike runs great, however I am seriously considering some Mikuni 34mm RS carbs.

What kind of performance gains can I expect from them related to the head work I've had done? Does anyone have any opinions about this engine setup? I don't know if these cams were my best option, but they were affordable as a drop in and a step up from stock.

Thanks for any feedback.

keep an eye out for a deal on some used rs34's and give them a try.
u will pick up some top end and i think the bottom end will be the same.

by nature of the smoothbores design, they dont provide as strong of a vacumm signal as a solid slide design. so the power will feel softer on the bottom than 28's.
the rs34's slides,by design will provide stronger signal, but the bore size will negate that.

keep the 29's and test the 2 set to see which u like best. then report back, and let us know. lots of guys have been successfully with both, but the vm29's have much more history.

even guys with 810's like the rs34's.

EDIT:
I re-read the thread and my below statement is out of order
may have been said already but where in the revs is this bike gonna spend 75% of it's time...

racing...go for it

riding around and real world stop and go and idle and traffic and blasting a quick set of benders then riding along at 70 again and so on...keep the 29's if they work now great....then you already answered the threads question imo

what do i know......

i was surprised last year when i robbed my 29's of my 900 for another bike and later put some old 26 mm ones on the 900 to get it running
the 26's where fun in their own right and idled like i had not enjoyed in many moons..set em and they idle the same at every stop,my 29's have always taken a bump or two waiting on lights...many sets over the years idle up and down it seems....

so just chucking a trick big carb on that motor you built may not improve the thing over every bit of the curve and may hurt most where it will be most of the time

racing full out all the time is not the same of course

ez_goin112 wrote: I have a 78 KZ1000 with a 79 engine. It has a 1075 kit with fresh rings and head work completed just last summer. The work included new oversized valves both intake and exhaust (.5mm over stock), head porting on the intake side, resurfaced the head to raise the compression just a bit (don't remember how much was taken off), Star Racing cams (Z2 cut drop in's) and all parts related to the cams are brand new.

I have Mikuni 29mm smoothbores and after this head work the bike runs great, however I am seriously considering some Mikuni 34mm RS carbs.

What kind of performance gains can I expect from them related to the head work I've had done? Does anyone have any opinions about this engine setup? I don't know if these cams were my best option, but they were affordable as a drop in and a step up from stock.

Thanks for any feedback.

RS34s tuned to that combo ought to rip on that bike.

That's a nice bike you got there. Can we get some pics of the other side? What pipe are you running?