If you choose to accomplish maintenance tasks on your Hyosung SD 50 M then it is usually a great idea to own a Workshop Manual to use as a reference should you need to know how you can remove a specific part for example the Door and fit it again successfully.
Hyosung SD 50 M Workshop Manuals can offer you certain diagnostic facts for the automobile so if something is playing up it helps you identify what the problem is and how to resolve it. You can then determine if this can be done yourself or that the job is simply too big you could make a booking for your SD 50 M in to a trusted friendly mechanic.
Hyosung SD 50 M manual