If you choose to accomplish maintenance tasks on your PGO Tricycle 50 then it is always a great idea to have access to a Workshop Manual for a reference if you need to know ways to take off a certain component much like the Brake Discs and install it again accurately.
PGO Tricycle 50 Workshop Manuals provides identifiable diagnostic guides on your vehicle therefore if something is broken it can help you understand what the situation is and ways to fix it. You will be able to evaluate if this can be achieved by yourself or that the job is just too big you could make a reservation for your Tricycle 50 in to a nearby friendly mechanic.
PGO Tricycle 50 manual