SOHC.co.uk Forums > CB500/550
Head is leaking oil again. Again.
alexdecker:
Hey all
I installed a new gasket and o-ring set the first time I took the top engine apart on my CB550F2 from 1977 . Sourced it from CMS. The bike still leaked oil. So I sourced a Vesrah complete gasket set and put that in instead. The bike is still leaking oil from the top. I have made sure that all surfaces are clean and even, and I even used some extra sealing silicone the second time around to be sure. And still it leaks. I am running out of ideas as to what to do.
Has anyone else had a stubborn leak, that they finally got rid of somehow?
- Alex
Nurse Julie:
Are you sure its not the end cap O rings that are leaking? they are very, very prone to it.
alexdecker:
I took some photos. It's in each end, but that is the only place the leak is.
alexdecker:
--- Quote from: Oddjob on August 19, 2021, 07:31:03 PM ---Take a pic of where the leak is and we can advise on the usual suspects, it's too vague saying it just leaks, there are a number of areas prone to leakage and we need to isolate where it's coming from.
--- End quote ---
Just uploaded two pics. It leaks in each end, making me think maybe its leaking from the o-ring on each side of the engine. But I am not sure if it can be anything else. Any advice is greatly appreciated!
alexdecker:
--- Quote from: Nurse Julie on August 19, 2021, 07:27:10 PM ---Are you sure its not the end cap O rings that are leaking? they are very, very prone to it.
--- End quote ---
Just uploaded two pics - one of each side. It seems like its the o-rings that are in each side of the motor. What do you think?
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