SOHC.co.uk Forums > CB350/400

Spark plug wire caps color?

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Mikep328:
When I say "brown," maroon is probably what I'm looking at!  ;)  The reason I asked is that I have both the maroon and black NGKs so was initially wondering which color would have been on the bike at the dealer showroom in 1976.  But it sounds like the answer is, "neither." ;)

Mikep328:
FWIW, I (finally) found a period brochure for the initial CB400 model (pegs on swingarm) and a pic of the engine area shows it with the  plain black (plastic/bakelite, whatever) plug caps which look just like the black NGK caps.

AshimotoK0:
They were deffo grey with steel BZP metal covers .. I bought NOS originals for my own '75 CB400F last year as a job lot but sadly all of my spare sets are now sold. Most people on here say they were crap anyway and the metal covers were removed ..often ripped off by the supplying dealers. Two of the caps are the same as the early UK CB750's but the centre pair were -323- UK model CB500 Four parts.

Mikep328:
Very confusing!  One would think the brochure (UK) would have a correct pic but probably it was a pic taken well before it before the 400 actually hit the market.   The brochure would have been available well before the bike appeared at any dealer.  So maybe they changed the plug caps in production OR, maybe they just decided the black caps looked better for the photo shoot!  ;) Interesting stuff, in any case.

Bryanj:
Probably a pic of a press bike that had had them changed to cope with the rain!

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