I've got some minor leaking, and though I haven't ruled out seepage from my rope seal or otherwise around the bottom end, I definitely have oil coming out of the filler area - and seeking some input from forum gurus.
I thought, at first, that I was getting some seepage between the rocker cover and the filler neck assembly, for which I'd made a paper gasket and assembled with wellseal, but disassembly, cleaning and confirming flatness and re-assembly with a thin application of loctite copper rtv didn't change matters.
I'm now confident that what is actually happening is that oil is making its way to the filler cap where it then bleeds down through the cap breather holes and onto the rocker cover (and eventually down and around the engine).
I've conceived of a few potential solutions to allow airflow but that might capture the oil and allow it to drain back within the filler tube before it gets to the filler cap, but thought someone here might have a better idea.
My first thought was to fashion a bit of aluminum or maybe metal gauze into a small "tent" with long legs. The legs would sit on the rocker cover and press against the inside walls of the filler tube to keep it stationary, and the top act as a blocker for direct spray. With apologies to the artists and engineers, I'm adding a drawing done on my phone.
Thinking about the construction of the filler cap and simple breathers, being filled with a nest of metal wire, an alternative is to do something similar by stuffing the filler tube with a heavy gauge wire scrubber to foul airflow a bit and capture oil/oil mist (with some metal gauze at the base to prevent a stray strand from going where I don't want it to go). Something like this:
Thanks in advance for any alternate recommendations or suggested modifications the these ideas.