If you want to do maintenance on your Aprilia Pegaso Tibet then it is usually a good plan to have a Workshop Manual to use as personal reference if you want to know tips to take off a particular part for example the Wheel Bearing and match it again correctly.
Aprilia Pegaso Tibet Workshop Manuals offers clear special diagnostic information for the car therefore if something is playing up it helps you discover what the situation is and some ways to resolve it. You can then evaluate if you can do this on your own or if the job is too big you can actually make a reservation for your Pegaso Tibet right into a nearby mechanic.
Aprilia Pegaso Tibet manual