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  1. #1
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    Prop suggestion's

    I had a 40 hp 2 stroke on a 14' rib I owned since 2002. Time for a total rebuild.New tubes , gelcoat, motor. All went well and I upgraded to a new Yamaha F50.problem is I'm only getting 5000 rpm max. Cable is set correctly. SS 11 1/4x14 ss rapture. Some say 6000 max others say 5500 rpm eather way im down 500. Top speed was 33.6 looking for a good prop size.Click image for larger version. 

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    Last edited by yachter55; 07-31-2023 at 10:01 PM. Reason: Photos
    THE BEST PART OF LIFE IS SPENT ON THE WATER

  2. #2
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    Get a Mercury Nemesis 4 blade. Probably 11" pitch.

  3. #3
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    I finally got in touch with a Yamaha dealer and he recomends a 11 3/8 ×12"
    THE BEST PART OF LIFE IS SPENT ON THE WATER

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