I've been told by a knowledgeable Mercury mechanic that I should run ONLY white gas, 93 octane, in my 2 cycle Mercury motor; only AMACO, EXXON, or BP. He made convincing arguments (non-white gas has various additives that will cause problems..). Recently I was told that you should NEVER run...
I was told I was buying a 1996 Mercury ProMax 225. It has a Black Max 225 cowl. Was told orig owner changed the cowl because ProMax engines not allowed in local fishing tournaments & he cheated. Know for sure the S/N on the motor is 0B176194, has 3 dueces & is 2-cycle. Also told the orig owner...