SOHC.co.uk Forums > CB500/550

Wanted CB550 camshaft sprocket

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Ashdowner:
For goodness sake. I love my CB but it does cause me pain. Always wondered exactly why my 550K3 engine had been rebuilt and now I know why. The cam chain must have broken which makes sense of the damage to the head in one cylinder, but what I didn't realise and have only just noticed is that the thrashing chain had taken a big chunk out of the camshaft sprocket. It has worked fine up to now and may last forever more but I'd just be worrying about it if I put it back. Has anyone out there got a sprocket please? I think the sprocket was standard on all 550F and 550K bikes.

Nurse Julie:
Don't hold your breath and I'm making no promises but I may have one off of my old spare K3 engine. I will look sometime tomorrow. It may also be knackered too but I wont know until I find it.

Ashdowner:
Thanks for looking Julie and I can guarantee that unless you've put it in a vice and hit it with a sledgehammer it's not more knackered than mine. It's like Jaws (a la James Bond) decided to snack on it. They're bathed in oil all the time so they shouldn't really be knackered. (Is knackered a technical term? Never found it in any workshop manuals).

mike the bike:
I've got a 400 one, they may be the same, best check.

Bryanj:
Knackered is a perfectly good technical term but if in the company of delicate ears crodged is better!

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