I pulled the plugs last night and they are not tan. Greyish under florescent light. That's lean, yes? Need fuel? Rejet?
There was a web page I printed (in black and white) and using that as a guide, they seem to be good or too hot or lean but good. #'s 19,& 23 seem to be the closest to what I saw.
http://www.dansmc.com/Spark_Plugs/Spark_Plugs_catalog.html
