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Recent content by StubbornCuss

  1. S

    Tohatsu MSF4B Fuel pump

    Thanks! I ended up taking the pump off and doing a more thorough test of it. I replaced the gasket/diaphragm and check valves and it is working now.
  2. S

    Tohatsu MSF4B Fuel pump

    I have a 4hp Tohatsu that I acquired a few years ago. It was severly neglected when I got it. I've done lots of work on it and it runs, although not always reliably. Recently the fuel pump has stopped working. The motor will start and run, but boggs down unless I pump the prime bulb on the...
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