Suzuki DR-Z400S 2001 Service Manual page 59

3-16 ENGINE
Remove the clutch pressure plate, clutch drive plates, and
clutch driven plates.
Remove the push rod, spring washer, and spring washer
seat.
Flatten the clutch sleeve hub washer.
Hold the clutch sleeve hub using the special tool, and then
remove the clutch sleeve hub nut.
09920-53740: Clutch sleeve hub holder
Remove the clutch sleeve hub and washer.