Johnson 210 overheating

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  • April 9, 2015 at 1:19 am #1144
    stanley
    Participant

      US Member - 2 Years

      A newly acquired 210 running in a barrel seemed to be getting pretty hot.Before I take it apart is it a problem running these motors in a barrel since they have no pump just dependent on prop wash?

      April 9, 2015 at 2:11 am #13579
      jasonh
      Participant

        I have heard of issues running motors with siphon cooling systems in barrels. I ran my 210 in a barrel… Wouldn’t say it overheated but ran hotter than when running in pond. With that said I’d use caution when running them in barrel.

        April 9, 2015 at 2:41 am #13585
        kevinf
        Participant

          I got an A-75 running last year. There were enough warnings against running the siphon cooling systems in a barrel on the old forums I didn’t even try. I did all my tuning on the boat and everything worked fine.

          April 9, 2015 at 10:46 am #13606
          Goman
          Participant

            There are 2 screws holding the exhaust housing. Remove the exhaust housing and the exhaust pipe then you can fashion a hose onto a garden hose to fit in the small square water inlet passage. Put the screws back in and use tape or whatever to stable the hose. I did this on a 200 last year to idle it real slow on break in. Of course remove the prop as well.

            April 9, 2015 at 6:36 pm #13626
            Doug Wilson
            Participant

              US Member - 2 Years

              I found that with my A-50 last year started it a few times just mainly to make sure would fire and keep running in the water but after min or so would start to get warm in a hurry so shut down when I felt it starting to get hot. Will do the same with the K-50 when I get around to it, short test to make sure will run then off to the lake.

              Doug

              how is it motors multiply when the garage lights get
              turned off?

              April 9, 2015 at 6:57 pm #13627
              tom-c
              Participant

                I would never run a pressure/vacuum motor in a barrel. I believe they were designed to be moving forward to enable cooling. I run my 20/210 only on the boat.

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