well i have a heavly moded ltz400, BBK, cams, porting, open air box prodesign filter, HMF full system....etc. anyway im still running the stock carb, i have a 38mm Kenhin carb with accel pump from a 250x. just wondering if the stock carbs were usless with a moded motor, i can feel it has a lot of power ever scince i ran straight 110. any ideas? thanks

 

a 38mm carb *should* be adequate for a 455cc 4 stroke. however, when you say it has alot of power, are you talking about midrange pull or does it keep on going up into the topend?

 

it has more of a top end than anything, but like when you hear/ride it you can feel it has potential, the problem is unlocking that potential. and the carb is the only thing still stock on the motor. so i am going to try that 38 with 110 and see how it runs.

 

I'd try it. It will make a big difference over the stock carb.
You may want to find an fcr 39 or 40 though.

 

oh i misread your first post. i thought that the stock carb was the 38mm.

whats the 38 off of?

 

honda 250x. i got it mounted but i dont have the right jets so hopefully tomarrow i will. it started and reved fine but wayyyy lean. ill let you know as soon as i get to run with it.

 

a 38mm on a 250x!!?? wow thats wayyy too much carb for that little motor, good to see it's going to a better home on the z...

 

ya, i havent been able to get a pilot yet, main seems fine(don't know for sure yet) and i have been working on the "black box" delete.