Ducati MULTISTRADA 1200S ABS 2015 Workshop Manual page 1103

Disassembling gear interlock plunger and ratchet
Remove the sump guard unit (Removing the sump guard).
Drain the engine oil (Changing the engine oil and filter cartridge).
Remove the clutch cover (Removing the clutch cover).
Remove the clutch unit (Removing the
clutch).
Remove the primary drive gear (Removing the primary drive gear).
Undo the interlock plunger screw (1) and remove the seal (2), the spring (3) and the ball (4).
Undo the clutch-side crankcase half screw (5) and remove the ratchet (6), the washer (7) and the spring (8).