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View Full Version : Opinions on Mikuni TMX 38 vs Keihin 38 Airstryker



Coyoteman
10-10-2005, 01:10 PM
I'm building a 310 w/low-mid port and need to start thinking about a carb. This is going to be a play quad and will only see the track and occationally a sand dune. I'd be interested in hearing some of your opinions on these two carbs.

250r4life
10-10-2005, 02:18 PM
from my understanding the 38pwk A/S is a top end high RPM carb, and you said youre building a low end bike... sounds like it doesnt match too well, but the 38 would be great for dunes...

twisted threads
10-10-2005, 02:26 PM
I like to run Keihin because I have all the jets that I need for them already and I don't want to start all over. The Mikuni carbs work great but I don't know much about them. I used to run a Keihin 39mm PWK and it had good bottom end and great mid-top. Now I run a Keihin 40.5 PWK on my 250r.

georgedoggy
10-11-2005, 01:21 AM
i have the mikuni tmx38 carb and its great. it has real good midrange response although i have herd the keihin is easier to jet etc not that ive had problems with the tmx. if you can get a good deal on one go for it. my 2 cents..

beerock
10-11-2005, 08:16 AM
get a 39pwk you have a 310 bottom end will noyt be a problem

more dealers have keihn jets anyhow

BLACKeR
10-11-2005, 11:05 AM
get a 39pwk you have a 310 bottom end will noyt be a problem

thats what i have no complaints. i have always liked the keihin carbs i have had more than the mikunis

racerx573
10-11-2005, 11:33 AM
39 PWK should be perfect like Beerock said.. I run one of those on my 265 PV, and it works great all around.