SOHC.co.uk Forums > CB350/400

250 Superdream

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Mr Helicop:
I am restoring a 1981 CB 250 superdream. It has an aftermarket two into one exhaust system. I think that all models had two into two, can anyone confirm this?

Bryanj:
Every one i built out of the crate did

Orcade-Ian:
I bought a new 250 NA like yours in Sept '80 and it definitely had twin pipes and long silencers - can't remember now if there was a balance box underneath in the middle but the new CX500 I replaced it with in Jan '81 definitely did.  You will be looking at good secondhand (rare) or NOS (even rarer) for replacements.

Ian

Front mudguard is also aftermarket - original didn't have flat sides but I think that's all that is available now.

Mr Helicop:
Thanks for the info guys. Downpipes, collector box and silencers are all available but the covers to hide the collector box are not, that would add about £350 to restoration cost, the existing two into one is in good condition so something to think about.

Athame57:

Yes, the CB250N Super Scream had two silencers, it was a twin. The CB250RS was a single with two silencers! My first bike was the CB250N Super Dream 'De Lux' meaning it had flash wheels and no kickstart. I bought it from new to launch my career as a dispatch rider and within little more than a year it was falling to bits, so good luck with yours. I did recently pull up next to a couple riding a pristine one though near the Tower Bridge in London, I was astonished, it must have been lurking in a crate for decades!

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