The most reasonably priced component used on the Xr350r 1985 (f) F-7-1 Front Fork(xr350re.rf.rg) is the Screw,pan,5x20.
Parts such as the F-7-1 Front Fork(xr350re.rf.rg): Screw,cross,3x20, Pipe Comp.,fr.for, Clamper A,brk., Case, L. (lower) are included in the Xr350r 1985 (f) F-7-1 Front Fork(xr350re.rf.rg) parts fiche.
Of all the components used in this assembly the Fork Assy.*pb-5l* is the most expensive.