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Buell Forum » 1125R Superbike Board » Archives 001 » Archive through June 04, 2010 » 09 Voltage, what is normal? » Archive through May 28, 2010 « Previous Next »

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Tpoppa
Posted on Tuesday, May 25, 2010 - 03:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'd like to hear from 09 owners who have had a stator replaced and those who have not had issues.

I had the harness update done about 2,000 miles ago, 3,500 miles total on the ODO. I've not had any issues what-so-ever.

Normally it runs in the range of 13.7-14.3. One time, while idling for about 6 minutes in bumper to bumper traffic with the fans running it went down to 12.2. Once I starting moving again, I was back up to 14.0 within 1/8 mile. Does this mean the relay was doing it's job?

For those who have had a stator fail, were there any symptoms leading up to the failure?
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Freezerburn840
Posted on Tuesday, May 25, 2010 - 03:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Sounds like you are okay. 12.2 once is fine. Consistently under 12 is not good. The harness is doing its job. The bike will let you know by continued voltage drops no matter how high you rev the bike and will give you a CEL with a battery light and then will shoot you code in diagnostic mode. p0562 system voltage error more than likely that will be a bad stator.

Now to give you a better understanding of how the harness works which is not a fix but a band aid to a poor insulated stator. Erik Buell Racing gave me a quick explanation of the stator issue.

http://www.badweatherbikers.com/buell/messages/290 431/564590.html
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Freezerburn840
Posted on Tuesday, May 25, 2010 - 03:53 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

So far my bike is taking the band aid fine I got over 9,000 miles on the bike and 5,000 miles on a new stator and the harness. Which both were virtually done at the same time.

(Message edited by freezerburn840 on May 25, 2010)
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Tpoppa
Posted on Tuesday, May 25, 2010 - 10:15 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Is it fair to say that if the voltage is over 12.0, the stator is producing a charge?
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Freezerburn840
Posted on Tuesday, May 25, 2010 - 10:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yes. But ideally it needs to be between 13 to 14.
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Dktechguy112
Posted on Wednesday, May 26, 2010 - 02:26 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

so when the voltage drops down to 12v in stop and go that is because the stator is shutting off to keep from overheating and frying?
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Bueller4ever
Posted on Wednesday, May 26, 2010 - 05:24 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My bike shows 12.2-12.4 with the engine off and key/lights on, so anything over that is charging. I've never had below 13 volts with the motor running.
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Tpoppa
Posted on Wednesday, May 26, 2010 - 10:29 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Does a failing stator slowly produce less and less charge? Or is it more of an abrupt failure?

Most of my riding is in remote, rural twisties (sometimes, you can hear the banjos). A dead stator would be quite troublesome.
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Freezerburn840
Posted on Wednesday, May 26, 2010 - 11:03 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Dk thats right the harness was designed to take a leg away from the Stator so it does not fry itself. Pretty much they are trying to neuter it with less power. The 08 stator had less power. 08 owners had to deal with the Cluster sucking too much power from the battery. So for 09 they developed a stator to accommodate that issue now we have stator failures for 09. (More power equals more heat). Although for my bike its not seeing as many days in stop n go since I got the fast track and when I lane split I'm in first and second making a conscious effort to keep Rpm's up over 5,000 if its heavy traffic.


Remember when Erik Buell Racing said to me they were not having issues in their race bikes. Well because the racers are spending most of their time over 8,000 rpm to red line. Well that is not practical for a street rider.

Also another thing I did is I went and got a 12 volt battery socket charger. Just an added precaution. Harley has them or any auto parts store or online.

http://www.google.com/products?q=12+volt+battery+t ender&hl=en&aq=f

If your stator fails then what will happen it will suck all the power from the battery then when battery power is gone. Then you are pushing.
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Freezerburn840
Posted on Wednesday, May 26, 2010 - 11:06 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Less and Less charge. The volts will continue to drop. When they continue to drop the next best thing for the bike to do is to draw straight from the battery to keep itself running.

It's funny for the 2010 models they come equipped with a tender harness attached to the battery. lol!
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Dktechguy112
Posted on Wednesday, May 26, 2010 - 11:54 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

yeah, mine has a tender harness on it, maybe the dealer added it because mine is only an 09. I have a battery tender that i put it on once a week.
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Ultimo_justin
Posted on Wednesday, May 26, 2010 - 11:57 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have a 09 1125R and recently got the harness upgrade done at 3200 miles, my volts never got below 13 and that was even when sitting at idle with both my hi and low beams on (HIDs). now my bike drops below 13 volts at idle with just the fans running and not the headlights yet when the fans turn off the volts do go back up to 14. when i drive and get into some really high RPMs (6000 or higher) the volts go past 16 if thats hard to believe then my cluster goes dim and the tach goes to zero and my speed shows ---. so wtf does this mean? bad stator? bad regulator? i ordered a regulator and when that comes ill try that out 1st to see if it corrects the problem because the only dealer in this state is too far away to be spending the same amount of money to take it there and back when i can just buy a regulator and see if that corrects the problem...if not, at least i got a spare lol
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Freezerburn840
Posted on Wednesday, May 26, 2010 - 12:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

There must be a short somewhere or the harness was not installed correctly. Never heard of anyone getting up to 16 volts or even 15 for that matter. Have someone check for those issues.

Your IC might be going bad or has the short.

(Message edited by freezerburn840 on May 26, 2010)
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Ultimo_justin
Posted on Wednesday, May 26, 2010 - 12:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i do know for sure the harness was installed correctly, i plugged it back in the old way and the bike still did the same thing, hmm...if it is the IC can i unplug it and still run the bike?
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Freezerburn840
Posted on Wednesday, May 26, 2010 - 12:14 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Man good question? I thought you might be asking that. I am not sure to tell you the truth. The IC has pin numbers and a security feature so I am not sure if unplugging it will still allow the bike to run. And I am not sure if you unplug it then plug it back in if you choose to do that if that will reset something that has to be programmed.

Hopefully somebody can chime in for you.

(Message edited by freezerburn840 on May 26, 2010)
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Ultimo_justin
Posted on Wednesday, May 26, 2010 - 12:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

eh...guess ill wait for that regulator to come and if that dont work ill start doing some elimination lol.
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Dktechguy112
Posted on Wednesday, May 26, 2010 - 04:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

ultimo_justin,
i know from experience that you can run the bike with the ic unplugged.
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Ultimo_justin
Posted on Wednesday, May 26, 2010 - 04:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

thanks Dk, ill start troubleshooting....you wouldnt happen to know how to see if a voltage regulator is bad would you?
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Dktechguy112
Posted on Wednesday, May 26, 2010 - 04:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i will look it up for you later today. It's in the electrical diagnostics manual. I know the regulator is located under the passenger seat.
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Ultimo_justin
Posted on Wednesday, May 26, 2010 - 06:53 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

thanks again Dk : ) i only got the service manual so you can probably relate to my delima.

(Message edited by ultimo_justin on May 26, 2010)
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Dktechguy112
Posted on Wednesday, May 26, 2010 - 08:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

this is what I found that directly related to the voltage regulator.







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Swamp2
Posted on Wednesday, May 26, 2010 - 08:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My voltage is pretty much always 13.8 - 14.3 - and most my riding is < 5k rpm. It was the same before the harness recall and after. It only had about 500 miles on when I got the harness mod, so I'm hoping that wasn't enough time to do any damage. I ALWAYS keep it on a battery tender when it's in my garage. FWIW...
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Ultimo_justin
Posted on Wednesday, May 26, 2010 - 10:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I did the inspection check on the regulator and it did beep haha. im sure it works but maybe to only some degree...i dunno, ill try pulling the IC tomorrow and see what happens. since the day I got the bike and til recently (about 150 miles after i got the harness upgrade) my bike too stayed at 14 volts area, tho my riding too was below 5k and believe me i would take it to harley to have them deal with it but damn is that dealer for me such a load of ass to drive back and forth. i wanna do what I can here before i give up and give it to them. heh, I would put the bike on a tender all the time but when i see that it makes me think its on life support...not saying thats a bad either lol. In all that is good I LOVE THIS BIKE crappy charging or not...as long as it runs : ) 09 1125R 3500 miles on it now 300 since harness upgrade, 150 now with charging issue...still runs

(Message edited by ultimo_justin on May 26, 2010)

(Message edited by ultimo_justin on May 26, 2010)
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Pwillikers
Posted on Thursday, May 27, 2010 - 10:42 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have not had the harness hack installed.

My '09 cr has always been between 13.6 and 14.2. Today for the first time, in stop and go traffic, it dropped to 12.4. After the traffic cleared, it was back up to the normal 13~14 range. I'm wondering if this is the beginnings of stator failure? I'm actually anxious to get this over with so I can install a reliable aftermarket one and ride far and wide without wondering if I'll make it home.
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Freezerburn840
Posted on Thursday, May 27, 2010 - 11:10 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Pw your thinking is spot on. Wait til your stator fails. That way you get both the stator and harness done at the same time.

So far so good for me stator and harness replaced at the same time over 5,000 miles on setup and counting.

(Message edited by freezerburn840 on May 27, 2010)
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Vinb
Posted on Thursday, May 27, 2010 - 02:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've had every thing in the charging system replaced about 2000 miles ago on my 09'. And my voltage has bin between 12.0-14.3 depending on how I ride 4-5000rpm its around 13.6-14.3 if I sit and let it yes it will get down to 11.8-12.1 before it picks up on its own. The only problem I've had with it is the relay but that's a $5 fix. Also when the stator gos it just stopped for me without warning.
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Dipstick
Posted on Thursday, May 27, 2010 - 11:07 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I put this on another stator post but after a long canyon carving session my voltage at idle was 13.2v and after 60 seconds was down to 12.8, 09R, 8000mi.

On the ride home at 75+ in 6th it showed 13.4v-13.2v. No harness up-grade yet. What do yall think, is mine about to die? I have never used a battery tender and never had any starting problems.
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Rpm4x4
Posted on Friday, May 28, 2010 - 12:00 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Just a thought in case some of you have not thought of it but when your sitting in traffic just raise your rpms to 2000 and the voltage will stabilize. I got stuck in some construction traffic at a walk pace for 20 minutes or more a few days ago and got a little concerned and that worked fine.
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Dipstick
Posted on Friday, May 28, 2010 - 12:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Good thought Rpm, mine dosen't get in that situation very often but I will certainly check it and try that, thanks much!
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Ratsmc
Posted on Friday, May 28, 2010 - 01:07 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ugh. After getting the harness updated, I have started seeing it drop down to 11v.

Well, I guess I still need them to fix the speedo error, they can replace the stator as well.

Anyone had any luck getting it replaced before total failure?
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