SOHC.co.uk Forums > CB350/400
CB400F Motogadget m.unit thread
Laverdaroo:
I know I’m a bit cheeky but I’ve to wire the same system bar the clocks to the Long Haired General’s bike next month, if I get the frame and engine back from the ‘coaters’.
Would you mind me jumping on here and firing in some questions as and when? I love the simplicity of the m unit, realise it’s quite expensive but really fancy the challenge. Hope it goes ok for you and I look forward to hearing how you get on👍👍👍
zombie365:
--- Quote from: Laverdaroo on March 22, 2021, 11:58:57 AM ---I know I’m a bit cheeky but I’ve to wire the same system bar the clocks to the Long Haired General’s bike next month, if I get the frame and engine back from the ‘coaters’.
Would you mind me jumping on here and firing in some questions as and when? I love the simplicity of the m unit, realise it’s quite expensive but really fancy the challenge. Hope it goes ok for you and I look forward to hearing how you get on👍👍👍
--- End quote ---
yeah go ahead buddy, I was hoping for people to ask there questions, as it might give me an inkling of upcoming problems!
JamesH:
THis video may be useful for your build: https://www.youtube.com/watch?v=NK0s6AHycdk&t=1996s
zombie365:
--- Quote from: eight0 on March 22, 2021, 11:14:59 AM ---Oil pressure: You need an idiot light, it doesn't monitor oil pressure in the M unit, but you do run power to the light from Aux 1 or 2.
Speed sensor: Correct, This is just so the M unit can track your rides/service intervals. You split the signal wire from the sensor to the Gauges and to the input on the M unit.
Reg/Rec: As Brian says, you can't use the original reg rec units (edit: with a lithium battery). You should also not use a cheap eaby unit. I bought the Ricks reg/rec, expensive, but they are tried and tested.
This is the best diagram I have found, It's also editable in illustrator. https://technicalarticles.revivalcycles.com/hc/en-us/articles/360009106131-m-Unit-Blue-Basic-Universal-Wiring-Diagram
side note: The M Button will not work unless installed inside steel bars, so if you are going aluminium clip-ons, don't buy one.
--- End quote ---
Thanks for your advice eight0, :-)
Good tip on the rectifier, I'm doing a bit of research on it now. I've seen that some people are using the reg/rec sold by 4into1 as well, it is also half the price of the ricks one...
https://4into1.com/regulator-rectifier-lithium-lead-acid-honda-cb350f-cb400f-cb500-cb550-cb750/
https://ricksmotorsportelectrics.com/Rectifier-Regulator-Lithium-Compatible-14_100
Has anybody used the 4into1 reg/rec? any problems with using lithium battery?
also, I'm not set on using an AG battery, I'm looking at some different brands as well. any suggestions welcome! :-)
Cheers
Laverdaroo:
I've been watching this chap a fair bit, he was the chap I watched when I split and cleaned the carbs, it'd been a while and I thought his way of presenting the task and the ease, was fantastic.
I've yet to buy all the bits n bobs for the system and using the time to clean, paint, read etc As soon as I get my house sold there's gonna be a motogadget bill coming i think!
cheers fellas
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