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1977 RD400 Cafe Racer conversion project

8343 Views 41 Replies 15 Participants Last post by  snorkelfork
I am just starting to convert my 77 RD400 into a café racer. I have it all stripped down and am taking it to powder coat this week. I have heard of the "M" Button wiring kit to help me put it all back together with new parts. Have any of you used the M button wiring system on your bikes?
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Are you a vendor for that product?
Ah yes, and if you are going to build a cafe racer out of a 40 year old motorcycle the first thing you should do is tear it completely apart, powder coat everything and drop 400$ to make it easier to rewire the entire motorcycle with all new parts :/ k, that totally makes sense to me now.
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From what I recall of the RD350 which is the closest thing I ever rode or worked on to your bike, they are bone simple when it comes to electrics. My current ride is the polar opposite and has one of the most complex electric and electronics systems ever devised. From what I read on the M unit thingy it does away with relays and I can only assume that it does that by replacing them with solid state electronics. I just took a look at the wiring schematic that I believe applies to your bike and the only relay I cold see was is signal flasher relay. I was curious what the warranty for the M unit is and was unable to find any expressed warranty, just a form to request for service.

I'm with the woodsman on this one, you could probably hire a professional electrician to wire your bike from scratch for the cost of just the M unit and I'm not seeing that it does anything really special to address your wiring problems, it centralizes your wiring connection wherever you chose to locate the M unit and there is nothing to stop you from doing that same thing now, instead of using the traditional headlight shell location.

LED lighting is very cool looking and all that, but realistically anyone who choses to retrofit LED lighting to a 40 year old motorcycle currently comes under the heading of early adopter for that technology. Same as with lithium battery technology. People who pursue bleeding edge technologies are paying a premium to prove the worth of technology that is still in it's relative infancy. That generally spells big bucks and high risk. It might be the greatest thing since sliced bread or it might be a money pit, but it certainly won't save you any money off you household electric bill. Keep us informed how it all turns out in 5 years time.
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That's a very down to Earth grounding bar solution :D lol Jag is gonna hate all these puns.

Interested in knowing how fuses can be done away with unless they are replaced by reset circuit breakers :confused: generally speaking there is sufficient power coming out of a storage battery to weld with for a short time. A fuse is the first line of defence safety device that prevents more expensive components from catastrophic failure or fire, possibly even battery explosion. ;) pretty sure you mean the Line side needs the heavy cable, the Load would be all of the outbound wires from the distribution point.
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Very few wood and/or fabric being made these days.
;) probably way more are made out of paper then anything else.
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