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2019 F70 How many cylinders/ 13.75 Dia. 15P.

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  • 2019 F70 How many cylinders/ 13.75 Dia. 15P.

    Is this the correct prop size prop? Has anyone tried a Piranha composite prop?

  • #2
    Four cylinders.

    Many have tried and used a Piranha composite propeller.

    There is no one correct size propeller for a given motor model. The diameter and pitch depends upon the size, weight and speed of the boat. Then there are different material types to be considered. Which is why so many different propellers are offered for the Yamaha F70LA model.

    Here are the F70 propellers offered by Yamaha alone.


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    • #3
      What would a composite prop think of oyster rakes and sandbars?

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      • #4
        It would not think highly of them.

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        • #5
          If you boat in an area with rocks, stumps, other solid items in shallow water then a composite prop is designed to break upon impact and offer some protection for the rest of your drive train, like gears, etc….a knowledge of your boating area and a depth finder can really help prevent prop damage…

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