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cb550 1983 nighthawk exhaust on a cb550 1977. any probllems ?

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saxby:
does any one know of any problems putting a cb550 nighthawk exhauset on a earler model ? [a cb550 1977]

the rear mounting bracket isnt an issue if it doesnt match up but the down pipes sizes and the way it fits to the engine . are they the same ?. any help please let me ??? know .

Bryanj:
Dont think they come anywhere close as nighthawk is a DOHC isn't it?

saxby:
doch ??

Dave M:
Double Overhead Camshafts.

The CB550 is a single overhead camshaft engine so the engines are completely different.

matthewmosse:
DOHC - double overhead cams. I think Brian's right about the nighthawk being a twin cam, I'd geuss the cylinder centers distance would be similar and diameter of pipes but really it's an unknown experiment as to whether the pipes will fit.

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