If you need to accomplish maintenance for your Aprilia Mini RX 50 Challenge then it is always recommended to have a Workshop Manual to use as personal reference if you need to know how you can take out a particular component for example Wheel Bearing and install it again properly.
Aprilia Mini RX 50 Challenge Workshop Manuals can offer you specific diagnostic guidelines for the vehicle therefore if something is broken it helps you figure out what the situation is and tips to resolve it. You will be able to assess if you can do this yourself or in case the job is just too big it is possible to make a booking for your Mini RX 50 Challenge into a local friendly mechanic.
Aprilia Mini RX 50 Challenge manual