If you wish to carry out fixes to your Yamaha TZ 125 G then it will always be recommended to have a Workshop Manual to keep just for reference in the event you want to know simple methods to take off a specific component much like the Door and install it again the right way.
Yamaha TZ 125 G Workshop Manuals will give particular diagnostic details on your car or truck therefore if something is faulty it helps you identify what the situation is and tips on how to correct it. After that you can determine if you can do this yourself or if the job is just too big you are able to make a booking for your TZ 125 G in with a suitable mechanic.
Yamaha TZ 125 G manual