Ducati MONSTER 821 Workshop Manual page 1021

Check spring (18) operation by acting on, it in the direction of the arrow on clutch drive shaft (17), and
ensuring that the shaft goes back to its initial position once released.
Apply indicated product to the bushing seat (22).
Drive crankshaft bushing (15) in bushing (22) seat.
Apply the indicated lubricant to the seal ring (14).
Install seal ring (14) in seat (M) of clutch cover (3), positioning the side with the spring as shown.
Fit spacer (13) and snap ring (12).
Make sure that the snap ring is completely inside seat (N) of clutch cover (3).
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