So, I heard you are the OMC Guru. I've got a question for you.<br /><br />I have a 1996 Evinrude 225 v6 carburated outboard. The top two cylinders burn and foul out brand new spark plugs after only 2-4 hours of 3/4 throttle cruising. the top two plugs have alot of carbon buildup on them and a...