If you have to do repairs on your Yamaha XT 550 then it is always a good plan to have access to a Workshop Manual for reference if perhaps you need to know ways to take off a certain component for instance the Door and install it again in the correct manner.
Yamaha XT 550 Workshop Manuals will give detailed diagnostic information with regards to your automobile so if something is broken it helps you identify what the issue is and easy methods to resolve it. After that you can determine if this can be achieved on your own or in case the job is just too big it is possible to book your XT 550 in with a local mechanic.
Yamaha XT 550 manual