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  1. #1
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    Sportmaster mod?

    IMG_5047-1-1.jpg
    is this look like a normal modification for an xb21

  2. Member
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    #2
    NO

  3. Member mittenbass's Avatar
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    #3
    The normal sporty looks like this:



    The leading edge of the skeg on yours has been cut. Normally they are a straight edge, not curved like yours. I have not see that done before and it's not the Allison mod that Robbie does.
    Brad Luchsinger

    2003 Allison XB-21 BasSport 2+2
    2004 Mercury Racing 250XS


    1998 Xpress X70
    1998 Yamaha Vmax 150 TRP

    2002 Triton 200XP

  4. Member mittenbass's Avatar
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    #4
    It could have been done with the intent to increase speed or improve handling. It could have been done if it hit something and the front of the skeg got messed up. I am thinking it may have been the later, but that's just a guess.
    Brad Luchsinger

    2003 Allison XB-21 BasSport 2+2
    2004 Mercury Racing 250XS


    1998 Xpress X70
    1998 Yamaha Vmax 150 TRP

    2002 Triton 200XP

  5. Member
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    #5
    Thanks for the reply's good info

  6. Member
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    #6
    Probably about a 99% chance that is a repair for a damaged skeg.

  7. Happiness is a Sporty! F150owner's Avatar
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    #7
    Quote Originally Posted by JCSmile View Post
    Probably about a 99% chance that is a repair for a damaged skeg.
    Agree.

    Allison XB21 2+2, Merc 250 ProXS, 1.62 Sportmaster, Hydromotive Engineering X-OB 29
    Excel 1751 Viper F4, Tohatsu 50 4-stroke, EZ-Trac trailer
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  8. BBC SPONSOR
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    #8
    I'd say it was damaged as well.
    Fastbass Marine LLC
    We specialize in NEW and USED ALLISON BOATS, Blazer Boats, Platinum Mercury Marine Repower Center, AquaTraction Flooring, and custom marine electronic installations on beautiful Kentucky and Barkley Lakes.

    2022 Allison XB-21 BasSport Pro Elite
    2022 Mercury 450R

    2012 Bullet 21ss
    2005 Mercury 300X

    https://youtu.be/FOnAGNWOgZ0

  9. Member
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    #9
    I was thinking the same thing wanted some other opinions. I was told that that was the modification that was made for handling and i thought it didnt look right

  10. Moderator
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    #10
    I agree with all of the above.

  11. BBC SPONSOR
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    #11
    Quote Originally Posted by carte250xs View Post
    I was told that that was the modification that was made for handling
    I'd say it was made because someone screwed up and hit a rock pile
    Fastbass Marine LLC
    We specialize in NEW and USED ALLISON BOATS, Blazer Boats, Platinum Mercury Marine Repower Center, AquaTraction Flooring, and custom marine electronic installations on beautiful Kentucky and Barkley Lakes.

    2022 Allison XB-21 BasSport Pro Elite
    2022 Mercury 450R

    2012 Bullet 21ss
    2005 Mercury 300X

    https://youtu.be/FOnAGNWOgZ0