jetting

[wildwildness]

I have a 400ex it is pretty much stock except a k&n with outerwear and a white bros slip on what is the best way to jet it or should i just leave it stock

[joeroadking]

do a search put in jetting also read under ex tech about jetting pretty informative.you are to lean if you have not richened your jetting

[JOEX]

Starting point:
150-155 main
40-42 pilot
Raise the needle one notch (lower the clip)

Joe