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Thread: Harley Davidson Sportster Voltage Regulator on Buell XB

  1. #1
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    Harley Davidson Sportster Voltage Regulator on Buell XB

    Just got my new 2008-2013 HD Sportster voltage regulator to replace the original broken voltage regulator on my 2009 Buell XB12 Scg. And it works! It is two-three times cheaper than original Buell VR and it is easy to find. I bought mine on Amazon. The plugs fit like gloves. The only thing you have to do is to build a bracket to attach it to the frame (the mounting holes are in another places) and extend the wires (the HD Sportster VR wires are shorter than the original 2008-2010 Buell VR wires).

    Will see how it will perform in the future.

















    Last edited by TPEHAK; 11-13-2016 at 01:49 AM.

  2. #2
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    the mounting holes are entirely incorrect.
    both wiring harnesses are entirely too short and must be heavily modified.
    if that's the case why not just buy a generic single phase VR from Sudco or K&L supply for $18 and have at it?

  3. #3
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    I never heard about Sudco or K&L.

    The wires on stator side have the same length. The wires for battery should be extended. I'm going to use the old VR wires to extent the new stator wires. No heavy modification, just cut the wires and solder the wires from the original VR, 15 minutes work.

    Last edited by TPEHAK; 11-13-2016 at 06:12 AM.

  4. #4
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    Sneak peak! A little bit of milling work and adapter for HD VR is ready








  5. #5
    Senior Member BuellyBagger's Avatar
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    Just curious, what are the actual prices of the 2? Obviously we can't all mill a custom bracket, so difficulty vs. Price is an issue

  6. #6
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    Quote Originally Posted by BuellyBagger View Post
    Just curious, what are the actual prices of the 2? Obviously we can't all mill a custom bracket, so difficulty vs. Price is an issue
    I don't know, it cost me a few hours of work at weekend, I found an appropriate size aluminum piece in metal scrap and milled it. You can find an aluminum plate and just cut a simple bracket using average garage tools.
    Last edited by TPEHAK; 11-13-2016 at 10:03 PM.

  7. #7
    Senior Member BuellyBagger's Avatar
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    Quote Originally Posted by buell248 View Post
    Engineers can never admit they are wrong.... Just ask him about his motor mount. $$$$
    Yeah I'm kind of getting that idea, I mean the sporty reg. Is a nice thought of there were no buell ones left, but at this point is it work it? I found generic ones on line that will work for cheap with some plug swapping and mount making, but is it worth it when you can buy the right one?

  8. #8
    Senior Member BuellyBagger's Avatar
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    Quote Originally Posted by TPEHAK View Post
    I don't know, it cost me a few hours of work at weekend, I found an appropriate size aluminum piece in metal scrap and milled it.
    How much $not including the mount?

    I charge $56per hour so it had better been cheap lol

  9. #9
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    Quote Originally Posted by BuellyBagger View Post
    How much $not including the mount?
    The VR is 70$ on Amazon. I saw 50$ VRs on Amazon for HD Sportsted, but those have no users feedback, so I decided to buy the one has positive users feedback.

  10. #10
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    Alright! The HD VR has been installed. Fits like a glove.

    I extended the wires using the wires from the original broken VR




    Covered the soldering spots by heat shrink tubes





    Wrap the wires with silicone fiberglass tube





    HR VR is on the bracket














    First of all installed the bracket







    Installed the HD VR, connected the wires an installed the left side air scoop. Done!
















    I also tested the spacing, it looks like there is enough space to clear the front wheel.



    Last edited by TPEHAK; 11-14-2016 at 04:39 AM.

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