Well, my happiness at getting my Electra running after it's 25+ year rest has been interrupted by an oil leak from between the fins on the right head. A search of more than 20 pages of "cylinder head" posts on this forum revealed only one other similar problem from an owner who said:
"My big concern is the right hand cylinder head, after running it leaks from what appears to be between the fins at the front well above the head gasket, I cannot see any oil leaking from the rocker covers or the oil feed pipe. Is it possible the casting itself is leaking. Any help would be most welcome."
Like this poster I have resealed the exhaust valve cover, checked the tightness of the rocker oil feed banjo nuts and looked everywhere in search of the source of the leak.
Jack, I own a Jubilee but my experience may be relevant. I too had oil leaks from the heads. So far I have tracked down and fixed leaks from the rocker banjo oil feed bolts using new, imperial size, annealed copper washers and a bit of silicone sealant. And, I fitted new rocker cover gaskets, smeared with silicone sealant, as new gaskets alone would not seal despite the mating surfaces being flat (warped covers?). Lastly, I fitted a clear tube in between the metal and rubber oil feed to the rockers so that I could see the oil flowing. This is because someone had drilled out one of the banjo bolts to fit a larger bolt, probably having ruined the threads originally. I wanted to check that oil still flowed as the bolt was a home made affair and may not have allowed oil to pass - it did.
Some have reported leaks from the metal rocker oil feed pipe, particularly at the solder joints, due to fatigue. Oil gets everywhere on a hot engine so I wipe everything down and then blow talc onto suspect areas to see the track of any leaking oil.
Thanks for your reply. I've already done the things you suggested and still have the leak. The problem is I can't find its source. I've sprinkled some talc about on the head and all I can see is the oiling coming through the top fin on the right hand front of the motor,