I have a 2011 Electric Yamaha YDREX,. I bought it just over 2 years ago, and other then a minor issue with terminal corrosion a few months back, it has been a good buy. The problem is the unit will run, but very slowly, you have to barely touch the pedal, if you smash it, it just quits. If you let off the pedal, it makes 2 clicks, and you can start...