If you choose to conduct fixes for your Tomos BT then it is usually a great idea to possess a Workshop Manual to keep just for a guide in case you need to know the best way to strip off a specific component like the Gearbox and install it again perfectly.
Tomos BT Workshop Manuals offers clear special diagnostic info with regards to your automobile therefore if something is playing up it will help you ascertain what the issue is and how you can make it better. After that you can analyse if you can do this by yourself or in the event the job is too big it is possible to book your BT in with a suitable repair garage.
Tomos BT manual