If you have to perform repairs on your own Benelli 900 Sei Sport then it is always recommended to possess a Workshop Manual for reference in the event that you need to know how you can take out a particular component for instance the Wheel and fit it again perfectly.
Benelli 900 Sei Sport Workshop Manuals gives you special diagnostic information on your automobile so if something is broken it will help you determine what the situation is and how you can make it better. After that you can assess if this can be achieved by yourself or that the job is simply too big you could book your 900 Sei Sport in to a local mechanic.
Benelli 900 Sei Sport manual