Posted by Lee Stofer on September 23, 2002 at 07:50:46:
In Reply to: Cleaning brown oxidation off valves? posted by Bill on September 22, 2002 at 12:13:31:
Bill,
If you valve action is good as it is, I'd just leave them alone. The copper leaching from the valve casings may be a sign that you might want to consider a better valve oil and use it more often, but is not necessarily a cause for concern.
Lee Stofer