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    stiletto Bay pro III

    Will the Stiletto Bay Pro III propeller use the Mercury Fo-Torq II or Flo-Torq III hubs. cheers, Jake
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    Rich Bank

    What would cause the Port cylinders to run richer than the Starboard cylinders on a Mercury 2006 EFI 150hp 2 stroke. Ive replaced the digitial temp sender in the head and checked all earths etc. Any ideas would be great. Im thinking the ECM. cheers
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    Bleed lines and plug fouling

    I have a 2006 Mercury EFI 150 2 stroke that runs richer on the Port bank of plugs. There are bleed lines that remove the fuel from the reeds and send the excess fuel to the upper and lower crank bearings. Then the excess fuel from this is fed from the lower crankcase to the Port cylinders. Now...
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    Map Sensor

    Motor 2006 Mercury 150hp EFI 2 stroke Is it normal to have to regularly clean out the MAP sensor? I find if the MAP is not cleaned out with MAP sensor spray the motor will run rich and foul plugs at rpms lower than 3800rpm. If i clean it after every couple of trips the fuel flow responds to...
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    Low pressure fuel pump

    Does anyone know what cylinder the low pressure fuel pump gets its vacuum from on a 2006 mercury EFI 150 hp. I seem to be getting excess fuel on number 2 cylinder (top port bank) which eventually fouls the plug at lower rpm (3000 to 3600 rpm). If the pump was leaking I assume the fuel would go...
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    Mercury EFI 150 running temps

    I have a 2006 Merc EFI 2 stroke that seems to be running too cold causing it to run rich and foul plugs. The sea water temp is 58 degrees Engine Idles up to 147 degrees quickly..so thermostats are working and I have also checked them in a pot. Engine Drops to 81 degrees once over 1000 rpm...
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    Mercury EFI problem

    I thought I had this fixed with a new MAP sensor but the problem happened again today on a cold morning (7 degrees C ) This is a 2006 mercury 150HP EFI 2stroke. Coils are battery driven (no stators etc) 1.The number 2 cylinder will foul the spark plug by what looks like the port bank running...
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