Some advise please, I have just fitted a Sil Motor full race system and am about to fit 57mm throttle bodies, I have both types of airbox, the completely open one with Pippercross filter and the one which uses the bottom part of the standard box with the rubber seal..(Evo, renegade??).question is which should I use? It will be dynoed next week, It is a 2000 Mille Gen 1 trackbike (ridden very slowly)
Thank you.
Thank you.
