If you have to carry out repairs on your Yamaha FJ 1200 then it will always be a good plan to possess a Workshop Manual for reference if you want to know how you can remove a particular part much like the Exhaust and fit it again accurately.
Yamaha FJ 1200 Workshop Manuals offers clear precise diagnostic details on your car so if something is playing up it will help you find out what the problem is and how to correct it. You will be able to analyse if this can be done yourself or that the job is simply too big you could book your FJ 1200 in to a nearby repair garage.
Yamaha FJ 1200 manual