What causes an oil leak in the cylinder head?
What causes an oil leak in the cylinder head? Oil leaking from there can be drawn forward through the small holes in the barrels that are between the cylinders. This is apparently done by a vacuum effect. It is then blown around by normal air passage and makes it look like a front cylinder head leak I learned this from Brian Slark years ago when I thought I had a recurring cylinder head leak. Where does oil come from in a Norton cylinder head? The primary chaincase leaks of course, but I call that character. Be sure there is no...