Parts such as the Front Fork: Inner Tube Comp, Washer, Spring Upper, Bolt, Outer Tube (l.h) are included in the Ty350 1986 (g) Usa Front Fork parts fiche.
The lowest price component in this Front Fork parts-list fiche is the Socket Head Bolt (38v).
With four applications this Bolt, Hexagon Socket Head(38v) is the most specified part.