The most reasonably priced component used on the Nc50 1982 (c) E-1 Cylinder - Cylinder Head is the Washer,6.2x11.
The Honda E-1 CYLINDER - CYLINDER HEAD has twenty-eight products enlisted in the schematic.
Parts such as the E-1 Cylinder - Cylinder Head: Cylinder Head, Plug(bp4hs), Box Assy.,control, Bolt,flange,6x20 are included in the Nc50 1982 (c) E-1 Cylinder - Cylinder Head parts fiche.