The process for exchanging a Vespa Dual VXL 125 involves several key factors. The exchange value of the vehicle depends on factors such as the kilometers driven, the physical condition of the scooter, and the number of previous owners. You would typically need to provide the vehicle's documentation, undergo an inspection to assess its condition, and then negotiate the exchange value based on these factors. The dealer or exchange service will evaluate the scooter's condition and offer a trade-in value, which can then be used towards the purchase of a new vehicle.