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vibration

  1. Mark Hawks

    Johnson jet 30hp help

    Okay in need of some major help you guys sorry about the long post was running up river and hit a rock pretty hard and after that motor has a violent vibration...took it home and pulled impeller and complete lower unit apart to make sure nothing was clogged or broke...the only thing i found was...
  2. Craigz

    Vibration and excess water

    Hi everyone, I've noticed that when flushing the engines on my boat it makes a loud vibration sound that seems excessive. It doesn't make any odd noises unload load of being in water but under the reduced load of flushing its quite a bit louder. I never run the flush very long to prevent damage...
  3. Thierry

    SCARAB 195 HOI goes at 10 MPH maximum speed for 7000 rpm and vibrate.

    Hello jet boaters, I just join this community and I have seen SCARABMIKE is the specialist about JET BOATS and the SCARAB here. What a great knowledge ! We just put in the water a brand new 195 HOI and we are having a problem on this boat. After one hour of testing under the break-in period...
    • Thierry
    • Thread
    • cavitation impeller problem low speed problem scarab 195 vibration
    • Replies: 16
    • Forum: Scarab Jet Boats
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