Hey guys I'm sorta new to Pitbikes but not new to Mx. I've been looking over the rules and classes and my bike fits the stock/mod class. I have a few questions. Must run a stock carb and intake, correct? The suspension must be stock appearing but I assume that to be I can change springs for my weight. The cases and head must be stock appearing, can I change the cam? My bike already has a PC pipe and an aftermarket manual clutch which is ok by the rules. Pegs, mount, brake pedal and shifter are ok to change as well as the seat? Sorry probably some stupid questions but I want to be sure my Bike is legal for that class and that I don't purchase unusable parts for my bike. Thanks for the help.