Studied service manual already, Looks like intake and exhaust minimum lift are same though I see clearly the intake valves are travelling further than exhaust. Oil is dark but not sludgy. Don't remember hour meter time but it's high 2k+
Bought this mower with the issue thinking it would be somewhat simple. I underestimated it somewhat... Great thing is I'm getting to learn all about early EFI motors :laughing:
Engine will idle smoothly but when changed to WOT it will occasionally backfire and has very little power when motors...