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Recent content by wwager

  1. W

    1978 Johnson 25e78c - rough and irregular spark

    Where is the adjustment for the throttle plate? I checked the fuel pump diaphragm and didn’t see anything like a crack or hole but I will order a replacement. Adjusting the idle jet screw toward more rich doesn’t smooth it out. More recent symptom is when the ignition switch is turned off it...
  2. W

    1978 Johnson 25e78c - rough and irregular spark

    Motor starts okay, idles rough and when put into gear sometimes runs fine and other times cuts to one cylinder. I put in new plugs and then took them out to see if they were burning clean. The bottom cylinder was clean but the top cylinder looks fouled after a short time at idle. photo of...
  3. W

    hole in foot

    my engine, 1978 Johnson 25E78C 25 hp engine runs fine but there is a hole in the foot (see photo) where black oil comes out. Is this normal? Engine is recently acquired. Any suggestions? Click on photo to see it in proper orientation.
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