If you have to undertake repairs on your Aprilia SportCity 125 then it is always a great idea to possess a Workshop Manual to use as a reference if you want to know techniques to take off a certain part for example the Wheel Bearing and fit it again adequately.
Aprilia SportCity 125 Workshop Manuals gives you certain diagnostic guidelines for your vehicle therefore if something is broken it helps you work out what the issue is and tips on how to repair it. After that you can analyse if this can be done on your own or if ever the job is just too big you can book your SportCity 125 in to a decent friendly mechanic.
Aprilia SportCity 125 manual