If you choose to do fixes for your Yamaha Drag Star Classic Four then it is always a great idea to have a Workshop Manual for a reference if perhaps you need to know tips to take off a specific part much like the Brake Discs and fit it again adequately.
Yamaha Drag Star Classic Four Workshop Manuals can offer you targeted diagnostic info for your vehicle so if something is not working it can help you ascertain what the issue is and some ways to fix it. After that you can evaluate if this can be achieved yourself or if ever the job is just too big you can book your Drag Star Classic Four in with a trusted car garage.
Yamaha Drag Star Classic Four manual