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    Sick 135 hino

    been a few years coming, one hino will only turn 2550, I had the prop reduced in pitch 2 yrs ago and it helped, you can not hear the turbo on this motor, the turbo turns freely , when the said motor is run full power in has dark water coming from exit pipe , not clean water, when I back off the water cleans up, so the turbo is not working, it also runs hotter than other motor, does any one think I have a blockage in the riser were the turbo does not have the exust flow to make it work ?
    1988 3270
    135 hinos
    Seldovia ALASKA
    KEVINS UPHOLSTERY
    KEVINSBOATTOPS.COM
    Marine canvas/Upholstery
    since 1975

    #2
    It could be a chunk of carbon keeping it from turning. It does not take much interference to hinder operation. Blockage in the riser is also possible. When was the last time the turbos were serviced? Is there a clear path for oil return as well?

    Greg
    Newport, Oregon
    South Beach Marina
    1986 3270 with twin 110 HP Hino diesels. Name of boat "Mr. Darcy"
    Past work history: Prototyping, tooling, and repair for Reinell,. General fiberglass boat repair starting in 1976.
    Also worked as heavy equipment mechanic, and machinery mechanic for over 30 years.

    Comment


      #3
      I think...

      The dark water is probably partially burnt fuel.

      This is where a boost gauge would come in handy. Your turbo Might be the problem, or one or more injectors Might be the problem, or a cylinder not making power due to any other reason Might be the problem.

      If it were my engine I would start by measuring turbo boost pressure.

      KEVIN SANDERS
      4788 LISAS WAY - SEWARD ALASKA
      where are we right now​​​​​​???​

      https://share.findmespot.com/shared/...j23OquWOj2N3Xe

      Comment


        #4
        I know the turbo is not working to its top performance because you can not hear it, it does turn freely , and yes Kevin the gray water at full power is un burnt gas. turbo or riser is the big question??
        1988 3270
        135 hinos
        Seldovia ALASKA
        KEVINS UPHOLSTERY
        KEVINSBOATTOPS.COM
        Marine canvas/Upholstery
        since 1975

        Comment


          #5
          Earl says Riser, but at $1,800 to find out I am a little shy
          1988 3270
          135 hinos
          Seldovia ALASKA
          KEVINS UPHOLSTERY
          KEVINSBOATTOPS.COM
          Marine canvas/Upholstery
          since 1975

          Comment


            #6
            Problem solved, Earl was the only guy that said blocked Riser, he said only seen it a dozen times but was spot on with his info.
            Riser was blocked off to 1/2 its org size. replaced with a org part and back to 3,000 rpm. THANKS TO EARL!
            1988 3270
            135 hinos
            Seldovia ALASKA
            KEVINS UPHOLSTERY
            KEVINSBOATTOPS.COM
            Marine canvas/Upholstery
            since 1975

            Comment


              #7
              What a resource! He should write a manual.........
              Irony
              1989 Bayliner 4588 - EH700TI
              Portsmouth, NH

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