The most reasonably priced component used on the Yz125 1989 (k) Usa Water Pump is the Circlip(6l2).
This Impeller Shaft Assy is the most expensive of the items that make up this Water Pump assembly.
Parts such as the Water Pump: Bolt, Flange(36y), Bolt, Flange(1aa), Bearing(1lx), Oil Seal(3uh) are included in the Yz125 1989 (k) Usa Water Pump parts fiche.