new mods. jetting?

[kx12504]

i just purchased this bike (kx125 2004) and im still pretty new to this all. i bought it new so it still has stock jetting. i just purchased a fmf rev pipe, shorty silencer, boysen power reeds, and a twin air filter. my question is what should my jetting be?

 

[nickyd]

trial and error baby!! go to FMF's site you can use that as a STARTING point