Recent content by Johnmari

  1. Johnmari

    Johnson Prop

    Best prop for a 75 hp Johnson on an 18' bass buggie pontoon boat. Would like to know size pitch and 3 or 4 blade. Thanks in advance
  2. Johnmari

    Prop for 75hp Johnson

    Would like to know best prop for 75hp Johnson on a 18' bass buggy pontoon boat. I know it is a short case and 13 spline I would just like to know prop size and pitch and 3 or 4 blade for best performance. Thanks in advance for your help.
  3. Johnmari

    Sticking throttle

    1976 Johnson 75HP. Throttle is sticking when put in throttle up position it will not idle back down when cable moved to neutral.
  4. Johnmari

    1976 70 HP Johnson no power under a load

    I have already done the carburetor update and cleaned them. Replaced the strater, crankcase gasket, fuel pump, primer bulb with hoses, spark plugs and one coil that was bad. I have 120 psi on all cylinders. It will run good on muffs but go put it in the water and it will not stay running or will...
  5. Johnmari

    Fuel Pump output pressure? For 76 Johnson 70 hp

    What is the pressure supposed to be on the fuel pump and can I hook up a electric fuel pump?
  6. Johnmari

    1976 Johnson 70 HP no power

    I had low compression 90-100 and I have replaced crankcase gasket and now have 110-120 compression on each cylinder but I am not sure what the torque settings are for this. And I still do not have any power on the water runs good on water hose but as soon as I put it in gear on water it dies. I...
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