If you have to undertake fixes on your own CPI Supercross 50 then it is always recommended to own a Workshop Manual to use as a guide in case that you want to know how you can take out a specific part for instance the Brake Pads and match it again accordingly.
CPI Supercross 50 Workshop Manuals will give specific diagnostic information on your vehicle so if something is wrong it will help you ascertain what the problem is and tips on how to resolve it. Then you are able to analyse if this can be done yourself or if the job is too big it is possible to book your Supercross 50 in with a nearby garage.
CPI Supercross 50 manual