If you choose to perform adjustments on your own Yamaha XS 750 Special then it is usually a good plan to own a Workshop Manual to keep just for personal reference if perhaps you need to know tips on how to remove a specific part for instance the Brake Pads and fit it again properly.
Yamaha XS 750 Special Workshop Manuals provides distinct diagnostic info with regards to your vehicle so if something is not working it can help you understand what the issue is and tips to resolve it. After that you can determine if this can be achieved on your own or if ever the job is just too big you can make a reservation for your XS 750 Special into a trusted repair garage.
Yamaha XS 750 Special manual