Normal
Have you always been running AVGAS in your bike? From what I have read, AVGAS makes a bike run leaner and can lead to lead deposits on the plug causing it to foul. Here is some light reading.http://en.wikipedia.org/wiki/Avgas
Have you always been running AVGAS in your bike? From what I have read, AVGAS makes a bike run leaner and can lead to lead deposits on the plug causing it to foul. Here is some light reading.
http://en.wikipedia.org/wiki/Avgas