If the wires are black, rather than the normal silvery bare metal color, than it's safe to assume they have some sort of low friction coating. In the absence if any other instructions, nothing wrong with trying them dry. You can always wick in some oil later.
__________________
FB
Chain-L site
An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.