400ex jetting

[HondaRdr221]

does anyone have any suggestions on the jetting specifications for the following?

2004 400ex with a full hmf performance series exhaust, k&n with a pre charger, with the air box lid on.

I live in st. louis so about 500 feet above

any suggestions would be appreciated, thanks

[CJM]

Theres this giant FAQ in the 400ex forum ya know and I just so happend to find this link in it (http://www.exriders.com/vbb/showthread.php?s=&threadid=445695&highlight=jetting+placement)

[kt1148]

Great find!:D

[HondaRdr221]

is that chart for keihin jets?

[CJM]

Yes.

if your using dyno jets please return them or throw them out, they are junk in keihin carbs and you will never get it dialed in right.