jetting

[400exridered]

I have a 07 400ex stock. I just ordered a fmf slip on pipe. I also plan to run a k&n air filter with an outerwear over it with the air box lid off. dyno jetting is what I will be using. I live in lower michigan ride temp is between 50-90 deg. I am not sure about sea level. if anybody could steer me in the right direction for what size jets to use that would be great.

[3or4HONDA]

the dj kit comes with directions for what jets to use with which mods. just follow those and it will run great, at least mine did.

stay away form the dynojunk kits...
goto www.jetsrus.com and read the faqs, then order their jet kit...