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The Brighton 750 Prototype - Coming up for auction...
Nurse Julie:
--- Quote from: hairygit on January 28, 2018, 07:30:01 PM ---Honda often raided existing parts bins, and that bike was no exception ;D
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Most vehicle manufactures have always done this and it still happens on a regular basis today. Land Rover are / were no exception. They used to have a 1/2 model year, ie 2011 1/2, where any bits found in a cupboard were used up during the build, regardless of which Marque / Model the parts came from originally, if it fitted, they used it.
AshimotoK0:
--- Quote from: hairygit on January 28, 2018, 07:30:01 PM ---Those "impossible to source" pointy indicator lenses, how many do you want, and how much will you pay for them??? Truth is, they are what was fitted to millions of Honda C57/70/90 step thru/ chicken chasers from 1965ish through to 1982! Honda often raided existing parts bins, and that bike was no exception ;D
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Those Honda 50 indicator lens and oval rear lamp were fitted to comply with UK regs when prepped for sale to Lord Denbigh for UK road use. he also requested the flat bars to be fitted and that's how Chris came by the M/Cyl... the guy at Honda who prepped the bike, kept the old M/Cyl in his garage for yonks.
hairygit:
The oval rear light was an early C50/70/90 part as well, and I'd bet that the generator coils in that stepped alternator cover were CB 450, I remember seeing a snatched photo of a prototype being tested in Japan with a CB 450 tank on it, and magneto ignition. The one coming up for sale is more a pre production model rather than a prototype.
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Nurse Julie:
--- Quote from: MrDavo on January 28, 2018, 06:45:48 PM ---Yes, taxi for Mr World indeed.
I notice it has the original non production pointy indicator lenses still, VW's Candy blue green one had lost those. Easier to replace the mudguard (buy James' chopper!) and shocks than ever source a set of those, I'm guessing.
This page on the prototypes from the sandcast site has comments from Chris regarding the master cylinder and more information: http://cb750sandcastonly.com/latepreproduction01.htm
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That's a good write up in the link you posted Dave. Tells us all the important things.
MrDavo:
Page 2 already, its not like this bike is causing much interest on here ;)
Well I live and learn about the indicators.
Whether the bike gets bought by V World, D Silver (now that could be an interesting bidding battle to watch) or anyone else, its going to be someone with deep pockets.
As there was no existing Honda (or anything else AFAIK) with a disk brake (so noone going to pop up and say its an ordinary production part off a Honda Cxxxx), I reckon Chris could name his price for that master cylinder, they're not going to find one anywhere else.
Mind you after my faux pas with the indicators, cue someone posting a copy of the 1969 AP Lockheed Racing catalogue or similar. :)
--- Quote ---That's a good write up in the link you posted Dave. Tells us all the important things.
--- End quote ---
I also found this, about the very genesis of the CB750:
https://www.motorcyclistonline.com/blogs/making-honda-cb750-king-motorcycles
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