Can you post a pic of yours?
I think that's normal, as long as it isn't a lot. I always have a bit of "soot" on the bottom lip of my tips after my 30 mile round trip commute to work each day. I just wipe them down every other day or so long with my chromies. I had the same thing on my Honda. I think most modern engines are set slightly on the rich side for safety's sake.
I think that's normal, as long as it isn't a lot. I always have a bit of "soot" on the bottom lip of my tips after my 30 mile round trip commute to work each day. I just wipe them down every other day or so long with my chromies. I had the same thing on my Honda. I think most modern engines are set slightly on the rich side for safety's sake.