Description
Smooth, stable MOSFET electronic voltage regulation.
Upgrade your Honda with this modern MOSFET electronic voltage regulator. Designed as a direct replacement for the original mechanical unit (Honda part numbers 31400-300-035 or 31400-333-004). Designed and manufactured in England.
Fits CB350, CB400F, CB500, CB550, CB750, CB750A Automatic, covering years 1969-78.
Designed as a direct replacement, this regulator can be fitted straight out of the box. Alternatively, for owners wishing to preserve the original appearance of their motorcycle, it has been engineered to fit neatly inside the original Hitachi metal housing once the original regulator element has been removed. Once reassembled, it is virtually indistinguishable from the original unit, but with modern electronic control concealed inside.
The result is improved reliability and performance while maintaining the motorcycle’s originality and value.
Supplied with the correct wire colours, making wiring hassle free, the connectors are supplied loose, to allow the wires to be threaded through the metal base, if using that option.
– Cool running MOSFET, no additional heat sinking needed.
-Protected against accidental battery reverse polarity connection.
-Regulator only – NO rectifier function.
-Designed & manufactured in the UK
-Simple colour matched wiring
Important: Must not be used with lithium batteries. Suitable for all lead/acid, wet, sealed or AGM batteries.


