ok i just picked up a new bike and it has a 40 on it and it seems like the bushings are already going, well atleast thats what my boxxer feels like when the bushings go...when i lightly shake the fork foward it makes a tapping noise and i can feel it in the bars, its not the head set rotors wheels or caliper... also it feels like the pre load knob doesnt do much, should that be noticeable whil just pushing it around? im just trying to get this figured out before the warentee is up! thanks!!!