If you need to execute maintenance tasks on your Yamaha FZ6 then it is usually a good idea to have access to a Workshop Manual for a reference if perhaps you need to know tips to take out a particular part like the Brake Pads and install it again adequately.
Yamaha FZ6 Workshop Manuals will give specified diagnostic facts for your car so if something is faulty it helps you find out what the issue is and the best way to correct it. After that you can evaluate if you can do this on your own or if the job is simply too big it is possible to make a reservation for your FZ6 in to a nearby repair garage.
Yamaha FZ6 manual