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Voltage Regulator died; any good sellers/products?

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K

kz6fittycent

Well-known member
Joined
May 5, 2020
Messages
314
Location
North Texas
I got stranded about 30 miles from my house while taking a nice ride to the lake. Had to ride home on the battery after charging it with jumper cables from my wife's van. She had the pleasure of following me home while we did this 2x to top off the batt.

Anyway, battery survived. Stator is working like a charm - passed all tests. Performed troubleshooting tests from the manual.

Leaves the regulator but I can't find anything I'm 100% confident in buying. There are some generic ones on eBay and Amazon - $59-$100.

There's also some other DIY mods (e.g. https://www.buellxb.com/forum/showt...idson-Sportster-Voltage-Regulator-on-Buell-XB ) but I don't have access to a CNC and not sure I want to deal with it.

That said, I'm looking for some pointers and products that you guys trust. I couldn't find any OEM VR's after about 20 min of searching; my Google-Fu might be off.

TIA.
 
The stator "passed all tests", but you didn't check charging voltage at the battery? >12.5 at rest, > 9.6V cranking, 13.5-14.7 running at 2K RPM or more.

If it's charging while running and you are SURE the cables are tight and clean, the VR can have an intermittent fault as well, just to frustrate you more.

There are early and late VR's with different plugs for whatever year your bike is.

I put "Buell voltage regulator" into e-bay and got this for a bolt-on solution:
https://www.ebay.com/p/9037306963?i...MI-de-7J3p6gIVhobACh22KwwAEAQYAiABEgJ7CvD_BwE

You don't need a CNC machine to make a simple bracket, but a VR is a pretty universal part. They take the A/C voltage you tested for on all 3 legs on your stator, converts to DC current and "regulates" it to 14.7 max. Theres 'upgrades' available, but its a pretty hardy Buell part and a new OE unit should last you.
 
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Also check out the mod where you can add a voltage gauge to your dash.

Mine was fluctuating wildly for a couple months before the VR died. I thought it was just random fluctuations from a cheap display, but it was actually reflective of a bad VR. Wish I had done something about it, before I got stuck on the side of the rode as you did.

With a new VR installed, it's reading a steady 13V+ when I ride.
 
Cooter said:
The stator "passed all tests", but you didn't check charging voltage at the battery? >12.5 at rest, > 9.6V cranking, 13.5-14.7 running at 2K RPM or more.

If it's charging while running and you are SURE the cables are tight and clean, the VR can have an intermittent fault as well, just to frustrate you more.

There are early and late VR's with different plugs for whatever year your bike is.

I put "Buell voltage regulator" into e-bay and got this for a bolt-on solution:
https://www.ebay.com/p/9037306963?i...MI-de-7J3p6gIVhobACh22KwwAEAQYAiABEgJ7CvD_BwE

You don't need a CNC machine to make a simple bracket, but a VR is a pretty universal part. They take the A/C voltage you tested for on all 3 legs on your stator, converts to DC current and "regulates" it to 14.7 max. Theres 'upgrades' available, but its a pretty hardy Buell part and a new OE unit should last you.
Click to expand...

Of course I checked the batt lol. It's fine - I have a real battery tester.

I just don't really feel like making any bracket but thanks for the link on the VR. I think that's the same one I was looking at.
 
As an eBay Associate we earn from qualifying purchases.
If I was going to put one on my bike I would use the MOSFET shindengen reg from Roadster cycle. It works with a 2 phase or 3 phase stator. It's probably cheaper then OEM that's if you can find OEM. I have one on the VFR in my garage and it works great. If the one on my firebolt takes a crap that is what I am going to use. The wiring is easy to do. Just my 2 cents.
 
Endopotential said:
Also check out the mod where you can add a voltage gauge to your dash.

Mine was fluctuating wildly for a couple months before the VR died. I thought it was just random fluctuations from a cheap display, but it was actually reflective of a bad VR. Wish I had done something about it, before I got stuck on the side of the rode as you did.

With a new VR installed, it's reading a steady 13V+ when I ride.
Click to expand...

Exactly what just happened to me. I find it so very odd that Buells don't have at least a volt light:mad-new: Weird place to cut corners, or a huge oversight.

A voltmeter mod is easy to do and I like mine, but I LOVE this better.
http://www.sparkbright.co.uk/sparkright-eclipse-battery-voltage-monitor.php
(Thank you to 34:19 for the helpful link!)
After all, it doesn't really matter exactly the sitting or running voltage is to the decimal, what matters is that its in a correct range. One colored light is much easier to see in peripheral.

Outlaw said:
I just bought an OE one from St Paul HD for my 08 ss. Was readily available.
Click to expand...

I just got mine from there too, but I just looked when he started this thread and no longer listed:upset: Maybe we got the last ones? John would know:angel:
 
What brand VR did you end up going with? That mod sounds like a good idea. Right "now", I just want to get back to some riding - but not SO fast, I end up F.O.R.D.
 
here's your choices and like josh and shaughn said...still some in the Harley-Davidson system.

VOLTAGE REGULATOR CHOICES--2003-2007 ARE THREE PHASE/2008-2010 ARE SINGLE PHASE. THE VR BODY APPEARS IDENTICAL AND MOUNTS INDENTICALLY...THE WAY TO ID THEM IS THE EARLY STYLE HAS MATCHING TWIN PLUG HARNESS LENGTHS AND 1 PLUG IS LIGHT GRAY. THE LATER STYLE HAS STAGGERED PLUG HARNESS LENGTHS AND BOTH ARE BLACK

Y1302-02A8 EARLY STYLE THREE PHASE---17 LEFT IN SYSTEM--LIST 192.90
Y1302-05A8 LATER STYLE SINGLE PHASE--38 LEFT IN SYSTEM--LIST 179.60
RICK'S ELECTRICS--#10-016H---EARLY STYLE---LIST 153.00
RICKY HUFF AKA RCHUFF BOARD NAME--HIGHLY SKILLED BUELL TECH--HAS ALL THE MOSFET VR INFO-CONTACT HIM
EBAY--EARLY STYLE-- CHINESE JOBS-$60 FREE SHIPPING--I HATE THAT GARBAGE BUT FOR THE PRICE BUY 2 AND TRY.

INSTALL SOME SORT OF VOLTAGE GAUGE LIKE SHAUGHN AND OTHERS MENTIONED. $5 EBAY TINY BOX MOUNTS ATOP LEFT SWITCHGEAR CONTROL-WIRES INTO HEADLIGHT HARNESS--DASH MOUNTED MUCH FANCIER AND SEXY.

you're welcome.
 
Barrett said:
here's your choices and like josh and shaughn said...still some in the Harley-Davidson system.

VOLTAGE REGULATOR CHOICES--2003-2007 ARE THREE PHASE/2008-2010 ARE SINGLE PHASE. THE VR BODY APPEARS IDENTICAL AND MOUNTS INDENTICALLY...THE WAY TO ID THEM IS THE EARLY STYLE HAS MATCHING TWIN PLUG HARNESS LENGTHS AND 1 PLUG IS LIGHT GRAY. THE LATER STYLE HAS STAGGERED PLUG HARNESS LENGTHS AND BOTH ARE BLACK

Y1302-02A8 EARLY STYLE THREE PHASE---17 LEFT IN SYSTEM--LIST 192.90
Y1302-05A8 LATER STYLE SINGLE PHASE--38 LEFT IN SYSTEM--LIST 179.60
RICK'S ELECTRICS--#10-016H---EARLY STYLE---LIST 153.00
RICKY HUFF AKA RCHUFF BOARD NAME--HIGHLY SKILLED BUELL TECH--HAS ALL THE MOSFET VR INFO-CONTACT HIM
EBAY--EARLY STYLE-- CHINESE JOBS-$60 FREE SHIPPING--I HATE THAT GARBAGE BUT FOR THE PRICE BUY 2 AND TRY.

INSTALL SOME SORT OF VOLTAGE GAUGE LIKE SHAUGHN AND OTHERS MENTIONED. $5 EBAY TINY BOX MOUNTS ATOP LEFT SWITCHGEAR CONTROL-WIRES INTO HEADLIGHT HARNESS--DASH MOUNTED MUCH FANCIER AND SEXY.

you're welcome.
Click to expand...

thanks
 
Barrett said:
here's your choices and like josh and shaughn said...still some in the Harley-Davidson system.

VOLTAGE REGULATOR CHOICES--2003-2007 ARE THREE PHASE/2008-2010 ARE SINGLE PHASE. THE VR BODY APPEARS IDENTICAL AND MOUNTS INDENTICALLY...THE WAY TO ID THEM IS THE EARLY STYLE HAS MATCHING TWIN PLUG HARNESS LENGTHS AND 1 PLUG IS LIGHT GRAY. THE LATER STYLE HAS STAGGERED PLUG HARNESS LENGTHS AND BOTH ARE BLACK

Y1302-02A8 EARLY STYLE THREE PHASE---17 LEFT IN SYSTEM--LIST 192.90
Y1302-05A8 LATER STYLE SINGLE PHASE--38 LEFT IN SYSTEM--LIST 179.60
RICK'S ELECTRICS--#10-016H---EARLY STYLE---LIST 153.00
RICKY HUFF AKA RCHUFF BOARD NAME--HIGHLY SKILLED BUELL TECH--HAS ALL THE MOSFET VR INFO-CONTACT HIM
EBAY--EARLY STYLE-- CHINESE JOBS-$60 FREE SHIPPING--I HATE THAT GARBAGE BUT FOR THE PRICE BUY 2 AND TRY.

INSTALL SOME SORT OF VOLTAGE GAUGE LIKE SHAUGHN AND OTHERS MENTIONED. $5 EBAY TINY BOX MOUNTS ATOP LEFT SWITCHGEAR CONTROL-WIRES INTO HEADLIGHT HARNESS--DASH MOUNTED MUCH FANCIER AND SEXY.

you're welcome.
Click to expand...


So, I'm wondering how you went about locating the 05A8 regulators. I have called a few places and the only regulator they can find is the 02A8. I'd rather stick with a stock regulator if I can, but this post is the only reference I can't find for the single phase regulator.
Thanks.
 

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