If you need to carry out maintenance tasks on your Yamaha DT50X then it is usually a good plan to possess a Workshop Manual for personal reference in the event you want to know tips on how to strip off a specific part for instance the Gearbox and match it again the right way.
Yamaha DT50X Workshop Manuals provides identifiable diagnostic info for the automobile so if something is not working it helps you find out what the problem is and tips on how to make it better. After that you can determine if this can be done on your own or if ever the job is simply too big you can make a reservation for your DT50X in to a suitable garage.
Yamaha DT50X manual