SOHC.co.uk Forums > CB500/550

Separating top end from bottom end in one piece?

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Trigger:

--- Quote from: Sesman on July 28, 2021, 09:10:41 AM ---Apologies for straying of topic, but did I read recently that if using the Vesrah gasket set not to use the 2 x O rings provided for the cylinder head oil control valve?. Do I just purchase two Honda items instead?

--- End quote ---

Honda 0'rings are only for original Honda gaskets.
The problem is that all aftermarket gaskets are thicker than the original Honda one and the gasket manufactures just took the Honda information size O'rings and put there packs.
I up grade all engine 0'rings when building a engine. I keep trying to find time to maker up kits of upgraded 0'rings but, never found the time yet and also some aftermarket head gaskets are different thickness to another manufacture  ;)

Sesman:
Thanks Trigger. I’m about to reassemble my 550 using a Vesrah kit and now I have doubts. I don’t suppose you could advise on where I might get some suitable O rings?

Bryanj:
Same problem with Honda gaskets. It happened after asbestos was outlawed as gaskets had to be thicker to retain strength

Trigger:
If you PM Julie with the size of the hole in the gasket and the thickness of the gasket, she should sort you out  ;)

Sesman:
Sound, will do. Thanks.

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