Of all the components used in this assembly the Crankcase Assy is the most expensive.
Parts such as the Crankcase: Bolt, Flange(4un), Bolt, Flange(jl8), Clamp(4aj), Clamp(4gy) are included in the Xg250 2005 4d61 Norway 1d4d6-352s1 Crankcase parts fiche.