I am thinking about taking the baffle off of my '01 xr100r. How should I rejet? If I take of the baffle, I do have to rejet, correct? I have never done a rejet before, but if you briefly explain I should be able to figure it out.

Probably wont have to re-jet if your only removing the baffle.But check your plug anyways to see what (if any) this mod or more may do.So you know whats happening inside your engine