Question: I have an S350 and I get no torque the motor runs for a while with no load and then cuts off. It starts again when you reset the on/off switch but it looses power within seconds.

Answer: You may have a bad controller, or the fuses are blown.. You should check your batteries, controller, throttle, and fusebox with a volt-meter to determine what component is the issue. If you need help, you can find parts and a scooter repair shop in your area by going to this link: Scooter Parts Store.