any suggestions???

[journeyman]

can anyone give me the best jetting choices for running an 05 400ex with:hmf sport series slip on,uni stage 2 comp air filter,stock air box lid, and a white bros high rev cdi????

[Chino886]

Journeyman,

I am in the same predicament as you are, I am looking to rejet also. From what I understand, it is a trial and error approach, there are so many factors that are involved, altitude, temp, etc. If you get a kit they have multiple jets that you can try. Good Luck!

D