Honda-SOHC

SOHC.co.uk Forums => CB350/400 => Topic started by: Integra99 on September 08, 2017, 09:17:14 AM

Title: CB400 Rectifer / regulator
Post by: Integra99 on September 08, 2017, 09:17:14 AM
I'm just in the process of rebuilding my CB400f... while the frame is away I'm sorting the loom. A quick question I'm upgrading to a reg/rec combined unit, my new one has two feed wires, white and black but the original rectifer has a green wire also... does anyone know if this can be ignored ?

Thank you
Title: Re: CB400 Rectifer / regulator
Post by: Johnwebley on September 08, 2017, 11:16:45 AM
if you are using the RR24 combined unit,

 the other was regulator ground/earth,so can be ignored
Title: Re: CB400 Rectifer / regulator
Post by: Integra99 on September 08, 2017, 03:22:43 PM
Ok great so the spare green is just an earth.. so I can tape it up?

I'm using a yamaha XS750 combined unit as I have a spare.. has exactly the same plug and 2 rectifier outputs just like the David Silver upgrade. 
Title: Re: CB400 Rectifer / regulator
Post by: Johnwebley on September 08, 2017, 04:31:15 PM
Ok great so the spare green is just an earth.. so I can tape it up?

I'm using a yamaha XS750 combined unit as I have a spare.. has exactly the same plug and 2 rectifier outputs just like the David Silver upgrade.

 this is the unit I was talking about,

http://www.electrexworld.co.uk/acatalog/RR24.html


 use the link to check wiring details
Title: Re: CB400 Rectifer / regulator
Post by: gtmdriver on September 16, 2017, 08:19:58 PM
I'm using the Electrex World unit on my CB350F and the green wire can just be taped up out of the way.
Title: Re: CB400 Rectifer / regulator
Post by: Bryanj on September 18, 2017, 01:44:29 AM
The XS750 was notorious when it came out for the reg rec failing, so much so Yamaha modified it to two separate units--then a few years later back to a combined one
Title: Re: CB400 Rectifer / regulator
Post by: Integra99 on September 21, 2017, 08:50:30 AM

Thanks all thats most helpful cheers!!
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