Hello everyone, first and foremost I wish everyone a merry Christmas and New Year. I am wanting to richen my low and mid range on my 1990 Johnson 140hp looper it has type 4 plastic individual carbs. I understand jetting as it applies to the high speed jet larger size richens smaller size leans. But I am unsure of the air bleed orifices for the idle and mid-range I am thinking smaller will actually richen the mixture but I am not sure can anyone help me out here? Thank you, Robert
