If you need to conduct maintenance for your Yamaha TT R 125 LWE then it will always be a good idea to have a Workshop Manual to keep just for personal reference should you want to know the best ways to strip off a particular part such as the Wheel Bearing and install it again accurately.
Yamaha TT R 125 LWE Workshop Manuals can provide particular diagnostic wisdom for the car so if something is broken it helps you figure out what the issue is and tips on how to repair it. After that you can decide if this can be done yourself or if ever the job is just too big you are able to make a booking for your TT R 125 LWE into a trusted car garage.
Yamaha TT R 125 LWE manual