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  1. #1
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    Does a prop for a Bravo sterndrive fit on a 300r torquemaster? pressed in hub.

    I have a 300R torquemaster and aside from knowing it's a 1.25" shaft, is a propeller from a bravo sterndrive with pressed in hub directly compatible? WHat IS compatible to the torquemaster? Is the 1.25" considered a fat shaft? How many splines?

  2. #2
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    Quote Originally Posted by Capt j View Post
    I have a 300R torquemaster and aside from knowing it's a 1.25" shaft, is a propeller from a bravo sterndrive with pressed in hub directly compatible? WHat IS compatible to the torquemaster? Is the 1.25" considered a fat shaft? How many splines?
    No, that torquemaster is mercury fat shaft (19 spline) and will not fit a pressed in bravo hub prop unless someone put in a fat shaft hub kit in it. Most bravo 1s and 2 drives had small propshafts, but the 1XR had the fat shaft I know that. Most bravo model props have a small shaft hub pressed in or are flo-torq
    8' Yellow Jacket - 25 hp Mariner
    1984 Hst VKing - 15" Bridgeport EFI
    1990 Collins Mirage - 15" 260
    22' Aquasport - 150 SeaPro Fourstroke

    25 hp Merc that runs on ACETONE
    25 hp Merc with dry side pipe
    25 hp Merc with 11" mid and 2.42:1 gears


  3. #3
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    Mercury hasn't made props with pressed in hubs (aside from small 40-60hp choppers and cleavers) in 20 years. Any Bravo I, Tempest, etc has a blank bore and you choose which Flo Torq hub kit goes into it. If the prop in question has a square bore, you can remove that hub kit and replace with whatever you need.
    2003 Triad RR 280 ROS




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