SOHC.co.uk Forums > CB500/550
Separating top end from bottom end in one piece?
Sesman:
In respect to the Vesrah kit, did you use the o rings that came with the kit? I’m advised to use a 3mm thick o ring for the cylinder head oil valves rather than the standard 2.5mm item?
Bryanj:
Pm sent Ken
alexdecker:
--- Quote from: Sesman on July 29, 2021, 03:58:13 PM ---In respect to the Vesrah kit, did you use the o rings that came with the kit? I’m advised to use a 3mm thick o ring for the cylinder head oil valves rather than the standard 2.5mm item?
--- End quote ---
Yes, I only used sealers and O-rings from the Vesrah kit…
- Alex
Sesman:
Cheers Alex.
Johnny4428:
Hi guys, further to this topic on o ring sizes for cylinder head oil way seals I’ve measured this morning as I was going to fit cylinder head. The machined recess in the surface of barrels is 1mm and my vesrah gasket is 1.65mm I dont see a 2.5mm o ring being a lot of benefit here. I actualy found a 2.65mm o ring in a set I had but even this is not going to cut it. Am I right in thinking this has going to have to be 3mm thick rings?
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