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1994 Bayliner - 2855 Ciera Sunbridge - Prop Size needed

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    1994 Bayliner - 2855 Ciera Sunbridge - Prop Size needed

    New to the boating world, trying to sort out a new prop but no markings on current one! Lots of digging and a confused..
    Engine is Gas V8 Stern Drive
    7.4L Mercruiser Brovo II
    Thanks for the help!
    John

    #2
    Try looking it up on the Bayliner Customer Care website:

    http://www.baylinercustomercare.com/catalogs_index.html

    1998 BL Ciera 2655 Sunbridge LX (Special Edition)
    "Sea Flights"
    5.7L 2bbl w/Thunderbolt Ignition and raw water cooling
    A​​​​​​lpha I Gen II Sterndrive/1.45:1 gears
    M15.25 X 15P Black Max prop
    MFG Extra's - A/C, Fresh Water Engine Flush port, HWH and Windlass
    Docks @ Punta Gorda, Florida

    Comment


      #3
      I went to the link above, and according to the US MARINE/Bayliner parts catalog the original prop was a 16 X 14. OEM part number was 34196.

      Attached Files
      1998 BL Ciera 2655 Sunbridge LX (Special Edition)
      "Sea Flights"
      5.7L 2bbl w/Thunderbolt Ignition and raw water cooling
      A​​​​​​lpha I Gen II Sterndrive/1.45:1 gears
      M15.25 X 15P Black Max prop
      MFG Extra's - A/C, Fresh Water Engine Flush port, HWH and Windlass
      Docks @ Punta Gorda, Florida

      Comment


        #4
        The 16 x 14 seems incorrect for a boat that size with a Bravo drive. It’s more likely a 17 1/4 x 21 or 18 1/4 x 19 or similar.
        This all is dependent on the ratio of the drive as well.
        I’d suggest looking closely at the exterior portion of the prop hub between the blades to find the part number or or the size stamped into the aluminum. Sometimes it’s hard to see. If all els fails you can take the prop to a reputable prop shop for identification.
        BTW: Mercury prop calculator has it a 17 1/4 x 21 IF it’s running a 2.0:1 final drive ratio.
        Dave
        Edmonds, WA
        "THE FIX"
        '93 2556 5.7 Bravo II 2.0:1 18 1/4x19 P
        (.030 over-Vortec top end-part closed cooled)
        The rebuild of my 2556 https://www.baylinerownersclub.org/f...76?view=thread
        Misc. projects thread
        https://www.baylinerownersclub.org/f...56-gctid789773

        Comment


          #5
          No markings anywhere, brought to repair shop and they didn't help either. Agree 16 x 14 is too small. I will figure out drive ratio and see if that helps.

          Comment


            #6
            OK. I note you did say BII with the 7.4. Earlier post was smaller engine. See if this page makes more sense showing a larger prop of 18.25 X 19

            I can't upload the whole file for your boat but if you go to the link I sent earlier you can get the whole book on your boat and find the correct engine and outdrive combo.
            Attached Files
            1998 BL Ciera 2655 Sunbridge LX (Special Edition)
            "Sea Flights"
            5.7L 2bbl w/Thunderbolt Ignition and raw water cooling
            A​​​​​​lpha I Gen II Sterndrive/1.45:1 gears
            M15.25 X 15P Black Max prop
            MFG Extra's - A/C, Fresh Water Engine Flush port, HWH and Windlass
            Docks @ Punta Gorda, Florida

            Comment


              #7
              Originally posted by HoweSound View Post
              No markings anywhere, brought to repair shop and they didn't help either. Agree 16 x 14 is too small. I will figure out drive ratio and see if that helps.
              A reputable prop shop would most likely be able to identify the prop.
              Here’s a prop selection calculator.
              https://www.mercurymarine.com/en/us/...or/#!/step-one
              Dave
              Edmonds, WA
              "THE FIX"
              '93 2556 5.7 Bravo II 2.0:1 18 1/4x19 P
              (.030 over-Vortec top end-part closed cooled)
              The rebuild of my 2556 https://www.baylinerownersclub.org/f...76?view=thread
              Misc. projects thread
              https://www.baylinerownersclub.org/f...56-gctid789773

              Comment


              • rbcooper
                rbcooper commented
                Editing a comment
                Or they should be able to measure the prop. This isn't rocket science they should be equipped to do this easily.

                RB Cooper

              • builderdude
                builderdude commented
                Editing a comment
                Fully agree
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