Parts such as the Crankcase Cover (model K9): Duct,belt Cooling, Gasket,clutch Cover Inner (nas), Filter,belt Cooling, Bolt are included in the An400 Burgman 2008 (k8) Usa (e03) Crankcase Cover (model K9) parts fiche.
In this schematic the "Bolt(6x25)" is used most often.
The lowest price component in this Crankcase Cover (model K9) parts-list fiche is the Washer(6.5x18x1).