Disassembly Of The Oil Pump - Ducati Diavel Workshop Manual

Lubrication system: oil pump
Operations
Drain the oil from the lubrication
system
Remove the clutch cover
Undo and remove the screws (9) and (10) securing the pump assembly.
Remove the oil pump assembly (1) and extract the O-rings (2) and (4) from the crankcase half together with two locating
bushes (15).

Disassembly of the oil pump

Hold the oil pump (1) in a vice taking care not to damage the drive gear (12).
Warning
Make sure that vice jaws are faced with soft material.
Remove the plug (14) and extract the spring (16) and by-pass valve (17).
Section reference
4 - 3, Changing the engine oil and
filter cartridge
9 - 6.2, Removal of the clutch-side
crankcase cover