[QUOTE=Daggerdoggie;401637]Plug gap is 0.45mm, 0.018 inches. I have a 600 of the same vintage and same plug. There is a sticker right on the head that gives that gap. I have always run mine with that gap and it runs gr
it's weird because the current gap on it now is about .028 inches. I'm thinking either it's not properly gapped or it wasn't gapped from the new plug package.
Any other thoughts?