Don't know what I did. I have a TGB 150cc Voodoo. I had an off the other day on Melbourne's wet tram tracks and went down on the right, hitting the side and the handle bars. Wasn't going at speed, was almost stopped but now the throttle can be wide open and gives me now power - it cralls up to 20kmph then still till 40kmph - and I can't get it to 60 if I tried. Noramally I can glide at 100 no problem and reach that speed fairly quickly. Is there something I can do/look at to fix this or will I need to have it serviced. Flash.