I was able to reduce the noise on mine by reducing the belt tension by 1 position on the adjuster.....significant reduction of the whining sound present even off throttle.
Aside from that, I added a rubber flap to reduce mud on the rear shock(attached at plate/light - works great), hacked on a longer rear fender(stock length is useless), raised the bars, and installed motomoto's 58t sprocket(was gonna make one, but glad I bought it....i wouldn't have bothered making it so nice).
Been contemplating installing my backup Super Monster forks for my electricmoto blade, but kinda want to extend the rear swingarm at the same time(motomoto?).
All in all, I like the bike, but it is just good enough to make me want more. More power. More speed. More suspension. More brakes.......but then it becomes something that it isn't. It's great for what it is, and easily fits in the back of my car if I remove the front wheel, which makes it easy to get my fix. Higher volts and amps are high on my wish list.