thirty components are shown in this Mts1000ds 2003 Usa (multistrada 1000 Ds) 9151-1881a 011 Alternator-side Crankcase Cover exploded diagram.
The Circlip is the cheapest item from this partsfiche.
The sub assemblies and components that make up this 011 Alternator-side Crankcase Cover include this Generator Cover, the most expensive part.