If you have to execute repairs on your Yamaha TDR 250 then it will always be a great idea to have a Workshop Manual for personal reference in case you need to know the best way to take out a specific component including Wheel and fit it again properly.
Yamaha TDR 250 Workshop Manuals offers clear identifiable diagnostic info for the vehicle so if something is not working it helps you identify what the problem is and easy methods to resolve it. You will be able to evaluate if you can do this by yourself or in case the job is too big you can still book your TDR 250 right into a trusted garage.
Yamaha TDR 250 manual