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  1. #1

    Default Help with fat boy tank and speedometer on 1993 sportster???

    I found a nice fat boy tank (1995?) and built mounts to fit my sportster. The sporty speed cable and the fat boy speedometer are different threads. Is there any way to make it work? Is there a cable or adapter I can buy to make the two mate up and work? Any help would be appreciated.. Thanks in advance!

  2. #2
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    Aug 2009


    Might want to try and fit the sporty speedo in the fat boy dash. If it's not too tall..
    There are different drive ratios for different models/years wheel sizes...
    Some even ran contra-wise
    But all the cables fit at the wheel drive side
    Last edited by Sky; 01-27-2019 at 10:31 PM.

  3. #3


    Thank you SKY for the help and that's what I will do.

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