Ducati Monster 696 2009 Manual page 459

section
N 5
To remove the vertical cylinder-piston assembly, proceed as described above for the horizontal cylinder.
Remove cylinder-crankcase gaskets (6) from the cylinder barrel.
Important
Mark the pistons to show from which cylinder they were removed:
V= Vertical - H= Horizontal.
Monster 696/696+ - M.Y. 2009 - edition 00
Engine
6
A
B
C
D
E
F
G
H
L
M
N
P
77