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Spun Prop?

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  • Spun Prop?

    I had a great day yesterday on Long Island Sound. Didn't catch much but had a lot of fun. I had just put my boat in for the year that morning. Everything went very well - the motor started easily, plenty of power and great weather.On the way back in, I was hailed by a sailboat that was stuck on the reef. I went by to try help but I do not know the reef well enough and therefor advised the guy to call Seatow!On the way back in it was very choppy (2-3ft). I decided to increase speed to get the bow up in the air. That's when I noticed the engine rev up and the speed not increase. I decreased rpm's and everything was fine. I did not hit anything (bottom or reef) while out.Later, I tried the higher rpm's in calmer waters and the same happened. I have a 1984(?) Johnson 60HP outboard. The prop is marked 11 3/4 X 17 and it pushes a 16ft MFG.A couple of questions: Is the prop spun? Can I repair/replace myself? Is this the correct prop?Thanks in advance for your help and time.Liam

  • #2
    Re: Spun Prop?

    The clutch or hub in the prop is slipping. You sould be able to remove the prop and have the hub replaced or replace it yourself. I think some of them may press in but the only one I ever changed was on a suzuki 65 hp. It just slipped inside the hub on the prop and over the output shaft on the motor. Real simple to fix and less than $20.00.


    • #3
      Re: Spun Prop?

      Thanks for the info. I have been told sometimes you must replace the entire prop. Is that the case with this motor?


      • #4
        Re: Spun Prop?

        You got a spun hub. You can have the old one pressed out and replaced for about $40. Merc makes a composite two piece hub for their props, but I do not know if one is available for your prop.


        • #5
          Re: Spun Prop?

          LiamI seen a lot of Johnson with spun hubs but never saw one you can get out or put in with out a press. As far as the right pitch I do not know. Did motor run in proper RPM range at full Throttle before, if it did then you have the right prop.
          Have some fun and enjoy the Great Outdoors.
          Love to fish out of Bodega Bay, California.