Hi Every one I have a 1983 150V6 BlackMax 2.0 Ser#6443480,Mod#1150624.This is a problem that I have had for a while now.When hooked up on the water hose it starts up fine but smokes bad and idels real rough it leaves a oily black film on the grass,and you can smell the raw gas comming from the exhaust.put in new plugs same thing still.does not seem to be missing.more like flooding.this is the same way on the lake also.only runs smooth at WOT.thought I might try to lean it out but do not see any adjustments on the carbs.i am mixing oil 50.1 1pint to 6gallons of gas.i have taken carbs off and cleaned them out no difference.what should i do next rebuild the carbs?