Prop advice please

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  • Prop advice please

    I have a 2021 Suzuki DF250TXW on a Sea Pro 220CC 2007,
    Outboard was mounted in the lowest position and tried a 15X21 watergrip prop.

    15x21 watergrip prop
    46 Mph @ 6200 Rpm
    I has OK with speed and economy but felt I could do better. Slip is 15%.

    Raised outboard two holes, AV plate is still in the water so a tad too low still.

    15X21 watergrip prop
    40Mph @ 6200 Rpm
    Not good and fuel economy is worse also. Slip is 26%.
    Am I getting a lot of cavitation/ventilation here ???, any help would be appreciated.


  • #2
    Would love to see a picture of the bottom of the hull directly infront of the motor.
    Curious if there is anything on the transom or hull that could be disturbing the water to the prop.

    I'd want to try a Solas L3 Plus 15 3/4 x 21, and see if it drops the RPM.
    or if you can get your hands on a 16 x 21.5 suzuki from the dealer, see if that one hooks up better.

    Ken Reeves
    [email protected]


    • #3
      Thanks Ken,
      Nothing on the hull other than the raw water pick up to the port side, went up two hole as that's where my 200 HPDI was, had no problems with that and gained performance.
      I'll see about a 16X21.5.


      • #4
        Hey Ken,
        Tried a Solas L3 Plus 15 3/4 x 21,
        45 [email protected] Rpm.
        Planed off well and fuel economy improved at cruise, 9-10 Gph @ 30 Mph 4200 Rpm.
        Still gonna try the 16X21.5 when I can get one but I think the Solas is a keeper if only for a good spare.


        • #5
          Thanks for the followup !

          Ken Reeves
          [email protected]


          • #6
            I was just reading another thread and didn't realize you sold Solas props, didn't see a mention of it on your website. Sorry mate, I would've purchased from you had I had known.
            The Suzuki props are being supplied be the dealer as I've paid for it with the motor install.