Take a look at the attached pictures. Plug Reads I am trying to get some feedback about the condition of my plug and what it might say about my jetting. The bike is a 01WR426 it has a complete Big Gun Quiet system. The airbox lid has been removed. I use a No Toil air filter & oil. I also have installed a DSP Power Now. The jetting is bone stock. The tip if the plug looks ok to me but around the electrode it seems a little black and slightly sooty. I normally ride between 2000'-8000' feet elevation. The bike runs and starts fine. I was just thinking that maybe I should work on jetting to see if I am getting everything I should be out of the motor. Any thoughts?