If you have to do auto repairs to your Ducati Streetfighter S then it is always a good idea to have access to a Workshop Manual for personal reference in the event you need to know how you can remove a certain part for example the Brake Discs and install it again perfectly.
Ducati Streetfighter S Workshop Manuals will give exact diagnostic guides for the car therefore if something is broken it will help you determine what the situation is and the best way to make it better. After that you can assess if you can do this on your own or that the job is simply too big you are able to book your Streetfighter S into a suitable mechanic.
Ducati Streetfighter S manual