pilot jet

[MOUSE]

ok im in the process of doing some simple mods to my 400ex

installed tc pipe
installed k&n air filter
removing choke
grinding welds
rejetting carb

im going to a 160 main for a starting point with a 42 pilot.

my question is what series pilot jet do i need?

thanks

[GNCC#829]

Series 21

[Doibugu2]

What is the name of the carb. My damn dealer is a fool.

[cmhracing]

I used a 26 series size 42 pilot jet, which is the series that comes factory, but I've heard a lot of people use the series 21 pilot jet, which is longer on one end but works just the same. Has anyone heard different?

[MOUSE]

Originally posted by GNCC#829
Series 21

thanks alot :cool:

[AtvMxRider]

21