If you want to execute fixes on your Husaberg FE 501 then it will always be recommended to have a Workshop Manual to keep just for reference in case that you need to know how you can take out a particular part including Brake Pads and install it again properly.
Husaberg FE 501 Workshop Manuals offers clear precise diagnostic details for your car therefore if something is wrong it will help you ascertain what the situation is and tips on how to fix it. You can then determine if this can be achieved yourself or in the event the job is simply too big it is possible to book your FE 501 in to a nearby car garage.
Husaberg FE 501 manual