If you wish to carry out fixes for your Yamaha TT R 125 E then it will always be a good idea to have access to a Workshop Manual to keep just for personal reference just in case you need to know tips to remove a particular part such as the Clutch and fit it again adequately.
Yamaha TT R 125 E Workshop Manuals are able to offer unique diagnostic info with regards to your car therefore if something is playing up it helps you ascertain what the situation is and easy methods to make it better. After that you can assess if you can do this yourself or in case the job is just too big you can still make a reservation for your TT R 125 E into a local car garage.
Yamaha TT R 125 E manual