Had to look it up:
I test drove a Luna Apocalypse dual motor scooter that is very similar, and it scared the crap out of me. Too much power (if that is possible).
One thing I found is the throttle response may be part of the problem. On my single motor scooter, the throttle had sort of a large "dead band" at the low end so you have to give quite a bit of throttle before it starts moving, which makes the throttle much more sensitive or touchy. By adding resistance to the throttle ground wire, I was able to get the throttle to start at a much lower spot, which makes the low end of the throttle much less sensitive and easier to control.