If you wish to conduct fixes on your own Benelli 354 Sport II then it is always a good plan to have a Workshop Manual to use as a guide just in case you want to know tips on how to remove a certain part for instance the Exhaust and match it again efficiently.
Benelli 354 Sport II Workshop Manuals will provide you with targeted diagnostic wisdom for your vehicle so if something is broken it helps you understand what the issue is and tips on how to make it better. You can then decide if you can do this on your own or in the event the job is too big you could make a reservation for your 354 Sport II in with a decent mechanic.
Benelli 354 Sport II manual