If you want to perform adjustments on your Yamaha TT 250 then it is always a good idea to have access to a Workshop Manual for reference in the event that you want to know methods to take out a specific component for example, the Brake Discs and match it again the right way.
Yamaha TT 250 Workshop Manuals gives you exact diagnostic facts with regards to your car or truck so if something is broken it will help you identify what the issue is and how you can resolve it. Then you are able to assess if this can be achieved by yourself or that the job is too big you can actually book your TT 250 into a nearby friendly mechanic.
Yamaha TT 250 manual