I have an XB-600 Electric Bike that worked fine until recently. Yesterday, when I was driving it home, the scooter would not speed up at all. The throttle was kinda stuck and would not go all the way to the top. It still controlled the speed fine. I turned it with just a bit more force, and it got unstuck. However, now the throttle is completely unresponsive and I can't get it do anything. When I put the key in the ignition, the rear wheel just turns at a constant speed, with absolutely no control. I know this might be hard to understand with my wording, so I took a video and uploaded it to help make solving this problem easier.
I'll try to embed it later, but this works for now. Also, the scooter has had no mods, or changes and is pretty much stock.