Reading your spark plugs
in General Tech Discussion
14 years ago
Here is a little article on reading spark plugs
ReadthatPlug.pdf (You do not have access to download this file.)
Plugnumbersandwhattheymean.pdf (You do not have access to download this file.)
Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-349-7056 Cell