If you want to do maintenance tasks on your Husaberg FE 450 then it is usually a good plan to have access to a Workshop Manual to keep just for reference should you need to know techniques to remove a specific component for example the Brake Discs and install it again correctly.
Husaberg FE 450 Workshop Manuals offers clear special diagnostic information on your car therefore if something is broken it helps you ascertain what the situation is and methods to fix it. You can then determine if this can be achieved on your own or if ever the job is just too big you are able to make a booking for your FE 450 in with a decent friendly mechanic.
Husaberg FE 450 manual