01-09-2011, 06:18 PM
I have had two 03/04 6rr's. The gearing ratio is a little different in the 6rr, the slipper clutch is also there and that's great. But the motors are noticeably different and the power makes the 636 better for what we do. The bikes themselves have a lot of differences much more in the 04 than the 03. But all in all, if it's a stuntbike, unless the motor is free the 636 is nicer. Nothing wrong with the 6rr, but it's not as good for freestyle.

