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    1993 mercury force 90 hp not starting

    Bad diaphragm and adjusted the idle screws to what you said and motor fired right up. Haven’t had time yet to take it to try it out. Thanks for the help
  2. B

    1993 mercury force 90 hp not starting

    I have a 1993 mercury force I recently replaced a blown head gasket as I was going to do a full rebuild but pistons and rings seemed to be fine I have 140 psi on all three cylinders and I have changed fuel lines and cleaned carbs and put new spark plugs in. When I get it to start with starting...
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