Description
Combined MOSFET regulator & diode rectifier assembly replacing the original separate items.
Designed as a direct replacement using matching wire colours. This unit operates as a high-side controller, with the white wire supplying battery voltage to the field coil when the ignition is switched on, exactly as per the original Honda wiring configuration.
Requires minor modification to the original mounting brackets to accommodate the combined unit.
Designed and Made in England
Fits the following Honda models manufactured 1969-78, originally equipped with separate Hitachi regulator and rectifier units:
CB350F/Supersport
CB400F/Supersport
CB500K0-K3
CB550K/F/Supersport
CB750A
CB750K/F Supersport
Original part numbers 31400-300-035, 31400-333-004, 31700-333-008
Important: Must not be used with lithium batteries. Suitable for all lead/acid, wet, sealed or AGM batteries.
