If you have to perform maintenance on your Yamaha TDM 900A then it is always a good plan to have a Workshop Manual for personal reference should you want to know the right way to take out a certain component for instance the Gearbox and match it again safely.
Yamaha TDM 900A Workshop Manuals gives you particular diagnostic details with regards to your vehicle therefore if something is wrong it will help you identify what the situation is and the best way to fix it. Then you are able to analyse if you can do this by yourself or in the event the job is too big you can still make a booking for your TDM 900A in to a suitable car garage.
Yamaha TDM 900A manual