On this parts fiche the Bolt,flange,sh,6x25 is the most specified component.
The Honda PULSE GENERATOR/ STARTING CLUTCH has eleven products enlisted in the schematic.
A sample from the products for the Pulse Generator/ Starting Clutch include: Gear Comp,start C, Pin, Dowel, 8x8, Washer,18x10, Outer Assy Statin.