If you choose to execute fixes to your Yamaha TT R125 LW E then it is always a good idea to have access to a Workshop Manual to keep just for personal reference if you need to know the best ways to remove a certain part like the Exhaust and fit it again effectively.
Yamaha TT R125 LW E Workshop Manuals provide you with unique diagnostic information with regards to your car or truck therefore if something is not working it helps you find out what the issue is and ways to correct it. After that you can assess if you can do this yourself or that the job is simply too big you can make a reservation for your TT R125 LW E in with a trusted repair garage.
Yamaha TT R125 LW E manual