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  1. J

    Lower unit / water pump

    Two part question: I have watched several videos on checking the water pumps on my twin 150 hp Mercs. Looked very easy so I tried it on one motor. Came apart easy. When I slide the shaft up into the motor it stops about one inch before the lower unit comes into contact with the motor. ...
  2. J

    Replacement of oil lines

    I am replacing the four oil lines that run from the front storage compartment to my twin 150 hp Mercs. Do I need to fill the lines with oil before connecting them or will the motor draw the oil from the tanks into the lines when the motors start up.
  3. J

    Mercury 150 hp outboards

    Because the props on twin outboards turn in different directions does that mean that the rubber impellers in the water pumps also turn in different directions?
  4. J

    Stale fuel

    I have a 23' SeaCraft with twin 150 Mercury outboards. The boat gas been sitting in storage for 4 years. The only thing done prior to storage was to add one bottle of fuel stablizer to the tank. What do I have to do to the fuel in the tank, in the fuel lines and in the outboards. Thanks
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