If you need to conduct adjustments on your own Honda SH125i then it is always a good plan to have a Workshop Manual to use as personal reference in the event that you need to know ways to take off a specific part for example, the Drive Shaft and install it again successfully.
Honda SH125i Workshop Manuals will give unique diagnostic info for your automobile therefore if something is faulty it will help you determine what the situation is and easy methods to correct it. You will be able to decide if this can be done yourself or in the event the job is too big you are able to make a reservation for your SH125i in to a decent friendly mechanic.
Honda SH125i manual