Yes, a person between the height range of 4'11" to 5'0" can ride a KTM Duke 125. The KTM Duke 125 is a relatively compact motorcycle, and its seat height is approximately 31.5 inches (800 mm). While it may be a bit tall for some riders with shorter inseams, it is generally manageable for individuals within the given height range. However, it is always recommended to visit a dealership or sit on the bike to ensure personal comfort and confidence in handling the motorcycle before making a purchase. Factors such as leg length, body proportions, and personal preferences can also influence the suitability of a motorcycle for an individual rider.