HITACHI Electronic Ignition - HONDA: Overhaul: Disassembly

Remove all spark plug wires and vacuum hoses from the distributor. Remove distributor cap. Remove the condenser ground wire, and disconnect pulse generator/ignitor wire connector from distributor. Remove hold-down bolt, and lift distributor from cylinder head.
Carefully pry upward on reluctor with 2 screwdrivers, cushioned with rags to prevent damage to distributor housing. See Fig 1. Use care not to damage reluctor or stator.
Remove advance (or retard) diaphragm mounting screw. Pull out on diaphragm unit, while lifting up on end of diaphragm arm.

Fig 1: Removing Reluctor from Shaft
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Use cloths and screwdrivers to pry off reluctor.
On all models, drive roll pin from distributor shaft. Remove shaft and gear from housing. Inspect and replace parts as necessary.