If you want to conduct maintenance on your Yamaha MT 03 then it is always recommended to possess a Workshop Manual for personal reference in case that you want to know how you can take out a particular part for example Brake Discs and fit it again properly.
Yamaha MT 03 Workshop Manuals are able to offer distinct diagnostic information on your car or truck so if something is playing up it helps you figure out what the problem is and the best way to correct it. After that you can determine if this can be achieved on your own or in case the job is simply too big you can book your MT 03 in with a local friendly mechanic.
Yamaha MT 03 manual