[36mm PWK vs 34mm PJ???] - ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVs

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36mm PWK vs 34mm PJ???
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Posted by: two85atc250r's

Is the 36mm PWK a very big improvement over the stock 34mm PJ for riding in the sand?

Posted by: pimpt250r

its a big improvement for any type of riding , you will get better pull throughout the RPM range

Posted by: two85atc250r's

Thanks, I will go ahead and get it. It is a used carb, will I need to make sure and re-jet it for the 250r or try to run it the way it is? I don't know what it came off of.

Posted by: pimpt250r

you have to rejet for your application ,if I remember 36pwk's came on 125 dirtbikes so theres a ton of'em out there ,
but there set-up for 125 engines

Posted by: 86 Quad R

start with about a 45 pilot and a 165 main with the clip in the middle.

Posted by: wilkin250r

quote:
Originally posted by two85atc250r's
Is the 36mm PWK a very big improvement over the stock 34mm PJ for riding in the sand?

I might be wrong, because I've never run a stock carb, but I thought they were 35mm stock. Are they really 34?

Posted by: 2muchquad

at least i always thought theey were 34 stock..

Posted by: All250R

quote:
Originally posted by wilkin250r
I might be wrong, because I've never run a stock carb, but I thought they were 35mm stock. Are they really 34?

Yea they're 34mm PJ's. Pretty small huh. Here is a link on Keihin's site with a little on it: http://www.keihin-us.com/am/products/pj.php

Posted by: TheNewn

Are there exceptions who which carbs came on what? 36mm PWK's were on all CRs/YZs/RMs?

Looking to get one eventually.

Posted by: All250R

quote:
Originally posted by TheNewn
Are there exceptions who which carbs came on what? 36mm PWK's were on all CRs/YZs/RMs?

Looking to get one eventually.

I couldn't tell you for sure, but many CR250's have come with 38mm carbs. Keihin PWK's and Mikuni TMX's are pretty common on those bikes.