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Impeller adjustment

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  • Impeller adjustment

    What method do you guys use to tune your outboard jet unit impellers? I have a jetted Johnson 40hp that I have not adjusted since I got it 6 years ago. This year it doesn't seem like I am getting the power I should out of it. Any suggestions?
    AKmud
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    The porcupine is a peaceful animal yet God still thought it necessary to give him quills....

  • #2
    shim the impeller

    Try moving some of the shims from the front of the impeller to the back until it fits snug in the bowl.

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    • #3
      AK,
      Try this site It is called (getting to know your outboard jet). Just do a google search. I tried to post the link but it would not let me. It shows you all you need to know.
      Quod Dominus Noster Jesus

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      • #4
        http://www.scottandjenn.com/etomite/index.php?id=22

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        • #5
          Great site guys

          everything I wanted to know. Thanks!
          AKmud
          sigpic


          The porcupine is a peaceful animal yet God still thought it necessary to give him quills....

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