Desmodromic (type) with four valves per cylinder, operated by eight rocker arms (4 opening rockers and 4 closing rockers) and two overhead camshafts. It is operated by the crankshaft through spur gears, belt rollers and toothed belts.
Desmodromic timing system (fig. 159)

Engine
Performance dataPrimary drive gears
Clutch drum/primary drive gears
Spacer
Threaded ring nut
Lock washer
Spare parts catalogue
Diavel abs clutch
Diavel abs connecting rods
Diavel carbon
abs
clutch
Diavel carbon
abs
connecting rods
Important
Bold reference numbers in this section identify parts not shown in th ...
General maintenance indications
Useful tips
Ducati recommends that you follow the instructions below in order to prevent
problems and obtain the best end result:
When diagnosing faults, primary consideration should always be given to
what the customer reports about motorcycle
operation since this information can highli ...
Overhaul of the cylinder barrel/piston components
Overhauling the cylinder
Check that the walls of the cylinder bore are perfectly smooth. Measure the
cylinder bore diameter at 50 mm from the top
face and determine the size class to which it belongs in accordance with the
values specified in sect. 3 -
1.1Cylinder/piston. Repeat measurement o ...