Leave the stage 1 and stage 2 stuff alone. There is not a factory made jet kit for our bike.
You don't have to do any of these carb adjustments if your bike is running fine. If it currently fits your needs, just ride and enjoy it
All of these threads on power increases and modifications and stuff are only there are guides for others if/when they decide they want to tackle something. It doesn't mean you HAVE to do this stuff