i just put a big bore kit in my ds 650 it runs great at lower speeds but when you get on it it just wants to bog out do i need to put a higher rev limiter in it if i do what is the best for me i kept the stock cam in it also also the machine shop shaved the head a little i dont know how much please help i also borded out my jet in carb thanks for your help

 

wait you had the jet bored? or put a bigger one in? sounds like a jetting issue to me