426 fcr jetting?

[robman]

I have an fcr 39mm carb on the way for my 426ex.What size jets shoud i run?It's been ported and polished with a 3 angle valve job and a super trapp can with a k&n filter.

[quadmx7]

here in mid mississippi i run a 160 main in my 39fcr in my 426.

[3x440ex]

where are you buying it from?......if you buy it from C&D, Cody will jet it for you.:)....I am running a 168 main 52 pilot, 3rd clip down. 3 turns out on the air fuel needle at sea level.....no airbox lid.

[suzukitony64]

This is Robmans bro, that carb came off a yz426 2001 its an mx carb and by the way he has a hotcam in it i figure around 170 main pilot im not sure we could use some help for a baceline plus will the stock boots fit or will we have to move the airbox forward some?:(

[quadmx7]

the stock boot does fit.

[robman]

Thanks for the help guys.Hope this carb will give me that extra snap i'm looking for until the new suzuki comes out:devil: