There was a recall on this that may not have been done yet:
February 4, 1998
Model: Ducati 916
Years: 1994-1995
Number Involved: 1,316
NHTSA Recall No.: 97V221
Description of Defect: The throttle control linkage pin was not lubricated properly.
Consequence of Defect: The engine throttle can bind and not return to proper idle.
Corrective Action: Dealers will lubricate the throttle control linkage pin using grease
(The recall was for the pin going into the rear throttle lever.)