Hello guys,,I recently bought a bone stock '02 CR250,,I did the MX BONZ airbox fix,,now I was wondering what I need to do to improve the throttle responce,,I mean low end,,trust me, it goes plenty fast enough for me, new reeds? jetting? pipe? any sugestions would be appreciated. I am just tyrying to stay ahead of my 9 and 7 year old. thank you Rick CT