Good point about the paint flakes; I hadn't considered that. The manual recommends blowing out the recesses with compressed air before pulling the plugs (a good plan for any recessed plug), but of course that's no guarantee that you'd get every single paint flake out of the recess. As far as drain holes, I can't find any, though I agree, I'd expect them to be there.
The bike gets ridden almost daily (it's my main vehicle), so it doesn't sit around a lot with a cold engine. At my first plug change I didn't see any evidence of water, but after 13,000 additional miles, and reading about the problem on a S10 website, I pulled my plugs and two of them were pretty rusty.
I imagine that particular area is going to be too hot for WD-40......
"No matter where you go, there you are."
Last edited by RCinNC; 02-27-2018 at 02:54 PM.