If you need to undertake repairs on your own Ducati 999 then it is always a good plan to possess a Workshop Manual for personal reference if perhaps you need to know methods to remove a specific component including Clutch and install it again in the correct way.
Ducati 999 Workshop Manuals offers clear distinct diagnostic information on your automobile therefore if something is playing up it can help you figure out what the issue is and tips on how to correct it. Then you are able to analyse if this can be achieved yourself or if the job is simply too big you can actually make a reservation for your 999 in with a suitable friendly mechanic.
Ducati 999 manual