The most reasonably priced component used on the Xr400r 2001 (1) Australia Left Crankcase Cover is the Nut,flange,6mm.
Some items from this specific schematic: Cover,drive Sprkt, Bolt,flange,nshf,, Cover Comp,l Cran, Gasket,l Cover (nas).
This Left Crankcase Cover diagram displays the required parts for the Xr400r 2001 (1) Australia Left Crankcase Cover.