Originally Posted by HeadTrauma
Yeah, what the numerically lower ratio does is transfer less torque through the geartrain by making it spin faster. A numerically higher final drive is then required to multiply the torque back up again. That's why Honda's HRC kit for the XR600 included an NX650/XR650L primary drive set with a lower ratio.
I reviewed your comments on my NX build when I was deciding what promary to use. Thanks for all the help. BTW, since when are you into DR's?