The most reasonably priced component used on the Xt350c Dual Purpose 1988 (j) California Shift Cam - Fork is the Circlip(10w).
Some items from this specific schematic: Plate, Stopper, Guide, Plate Stopper, Circlip(6l2), Spring, Torsion (3y1).
With five applications this Pin, Dowel (363) is the most specified part.