The speed potentiometer (or "speed pot") for the EV Rider Transport AF (S19AF) mobility scooter from Electric Mobility may be an easily overlooked part until you need to replace it.
Also called a "rabbit-turtle dial", the speed potentiometer is a type of variable speed resistor that controls and maintains the speed of your mobility scooter and a faulty speed pot may lead to inconsistent throttling or motion, or no movement at all. Failing speed potentiometers should be replaced immediately for the safety of the scooter and the user.
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