Home Forum Ask A Member Backfire/misfire thru carb

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  • #262122
    fleetwin
    Participant

      US Member - 2 Years

      Nice work! You are so right, there isn’t much meat or clearance there.

      #262123
      fleetwin
      Participant

        US Member - 2 Years

        ‘On this set up, you could start the engine out of the water without harming it, let it heat up while running slowly, see if the horn sounds once it heats up.’

         

        Uh, maybe remove the gearcase first so the water pump housing and impeller don’t melt?

        Mumbles, he is working on a “turbo jet”, no gearcase or rubber impeller used here.

        #262145
        Beno
        Participant

          Running nice correct temp now.   Added extra muffler cooling. So now you can even hold the muffler uShape with your hand

          As I was giving it a once-over I opened up the turbo jet gear case and thought I would check the oil needless to say I removed about 55 Oz of foamy yellow contaminated oil.. (see pics)

          Yikes! Immediately Replaced with new 75w-90 synthetic today.

          It topped off at 76ounces of gear oil. Even tho the online capacity stats says 84.6oz

          • This reply was modified 1 year, 11 months ago by Beno.
          #262772
          fleetwin
          Participant

            US Member - 2 Years

            Just change the oil frequently, don’t mess with it.

            #263809
            Beno
            Participant

              Sunbird seems to be doing very well.  the current cooling configuration works great.
              (additionally I managed to get another project jetboat for virtually nothing so I have some ideas for that)

              So just listed it in my area so someone can enjoy it, I don’t go out enough in it.

              Seems that because of the supply chain disruptions (which NO-ONE has been given, or has a clear, understanding of why they are happening… we’re all just told to accept it as “a chip problem, or a HR problem. and look the other way.) You cannot get a used jetboat this year.

              and furthermore seadoo has stopped making jetboats entirely now. Supposedly Scarab is going to make some I heard?

               

               

               

               

              • This reply was modified 1 year, 10 months ago by Beno.
              #280005
              Beno
              Participant

                Just relaying thanks from my nephews out on tupper lake with the jetboat.  going on 2 or 3 years now of OMC140 v4 Jetboating and recreation

                 

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