If you wish to conduct auto repairs on your own Harley Davidson XL 883 Sportster Police then it is usually a good idea to own a Workshop Manual to use as a reference in case that you need to know the right way to remove a certain component like the Brake Discs and match it again successfully.
Harley Davidson XL 883 Sportster Police Workshop Manuals offer you precise diagnostic guides for your vehicle so if something is playing up it helps you identify what the issue is and how you can fix it. You will be able to analyse if this can be done yourself or in case the job is just too big you could make a reservation for your XL 883 Sportster Police in to a suitable car garage.
Harley Davidson XL 883 Sportster Police manual