If you have to execute maintenance tasks on your own Aprilia Sonic 50 then it is usually a good idea to possess a Workshop Manual to use as personal reference in case that you need to know techniques to take off a particular part for example the Wheel Bearing and install it again safely.
Aprilia Sonic 50 Workshop Manuals offers clear exact diagnostic info for your vehicle therefore if something is playing up it will help you ascertain what the situation is and how you can fix it. After that you can determine if this can be achieved by yourself or if ever the job is too big it is possible to book your Sonic 50 in to a nearby car garage.
Aprilia Sonic 50 manual