If you have to undertake adjustments to your Aprilia Moto 65 then it is always a good plan to have access to a Workshop Manual for reference should you want to know how you can remove a certain component much like the Exhaust and fit it again the right way.
Aprilia Moto 65 Workshop Manuals can provide certain diagnostic details for the car so if something is playing up it will help you work out what the problem is and methods to fix it. You will be able to decide if this can be achieved by yourself or if the job is just too big you can actually make a booking for your Moto 65 into a nearby car garage.
Aprilia Moto 65 manual