i have a 1988 mercury mariner the previuse owner let it sit for two years and i boght it and am trying to fix it. i have replaced one bad switch boxand spark plugs i have done compression test on all 6 cyl and they are 110, 110, 100, 95, 100, 95. i have tested my stator and all check out well except the red and blue wire wouldnt give me a reading i checked my plugs for spark and all have spark two of them have alot more spark than the rest. the coils are good, the switch is good, and switchboxes are good i believe i have good gas flow bc i pump the plum ball and gas comes out of the carbs. im at a lose for what to do next ?? also smoke comes out of the prop is this normal? some one please help when i turn key i get started to turn and crank i hear one or two combutions and then just the sound of the gears spining. i can seem to get it to turn over HELP
