If you need to do maintenance for your CSR Custom 250 Twin then it will always be a good plan to have access to a Workshop Manual for a reference in case you need to know how to take out a certain component including Brake Discs and match it again properly.
CSR Custom 250 Twin Workshop Manuals provides detailed diagnostic facts for the vehicle so if something is not working it helps you discover what the problem is and how you can resolve it. After that you can analyse if you can do this yourself or if ever the job is too big you can still make a reservation for your Custom 250 Twin in with a trusted garage.
CSR Custom 250 Twin manual