want some more top speed

i would like a little more top speed, cause right now its only about 55 but still be nasty........ if i put a rev kit, race cam, high comp, different sprockets, where should that put me at? i ride mostly open fields and dirt roads

[VegasEx'r]

are you riding a 300ex (that's what I am guessing since your top speed is 55)? If so, I'm not sure how much faster you would be, but I'd guess around 62-63 with those mods. If you are talking about a 400, with a higher compression (stock bore?) piston, cam, etc you can get into the low 70's. I'd stay away from the rev box on a 400, it's not worth the money.

If your just looking for a little more top end I would just run a 16 or 17 tooth on the front. You will loose a little bottom end, but if all your want is a little more speed it's a quick and cheap fix.

no i'm running a 400ex