eight components are listed in the schematic for this C50cms-ds-ss-bs (c50-060) Japan E-5 .
On this parts fiche the Pin,dowel,8x12 is the most specified component.
Parts such as the E-5: Bolt,hs,6mm, Cylinder Comp., O-ring 14.5mm, Dowel,pin,8x14 are included in the C50cms-ds-ss-bs (c50-060) Japan E-5 parts fiche.