The tag on the flame arrestor for serial num. was blank( not visible) the specs tag said 1deg.atdc. Is there another location for number incase arrestor was swapped out?
:thumb: Now that you have it, record it somewhere safe, and post it whenever you start a new thread here.
Or do what a lot of us do, make it part of your post signature, so it's always there. It's about the most important piece of information about your engine that you can provide... And we're going to ask for it every time.