R rcracerguy Member Jul 1, 2018 #1 Would a slight leak around the fuel filter cup cause a intermediate lean condition?
mikidymac Moderator Staff member Moderator Jul 1, 2018 #2 Absolutely and a good way to seize an engine.
Dr Honda Well-Known Member Jul 1, 2018 #3 Heck yes!! If it can't suck fuel... it will run out... and go lean. Very bad on a 2-stroke.