I suspect that I've damaged the rear shock on my '94 XRL. I noticed a very light oil leaking down the left side of the swingarm while the bike was on it's side stand. The settings are stock. I rode 2up just a few miles the other day and fear that I overloaded the rear. How can I tell if the suspension is damaged? The action seems fairly smooth, and I notice a whoosh of air when pumping the rear, and I see a tiny bit of oil at the base of the shock.