Dave31 Active Member Oct 30, 2010 #1 Spark Plugs Verrill: Plug Color Chart Principles of 2-Stroke Jetting & Reading Spark Plugs About.com: http://www.exriders.com/techarticles/sparkcolors.html Reading Spark Plugs NGK Spark Plugs USA Last edited: Oct 30, 2010
Spark Plugs Verrill: Plug Color Chart Principles of 2-Stroke Jetting & Reading Spark Plugs About.com: http://www.exriders.com/techarticles/sparkcolors.html Reading Spark Plugs NGK Spark Plugs USA
