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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Electrical - Battery, Charg Sys, Lights, Switches, Sensors & Guages » Archive through June 24, 2008 » Overcharging ? « Previous Next »

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Vagelis46
Posted on Friday, March 21, 2008 - 10:54 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

What is the usual cause for overcharging ?

Voltage regulator ?

Bad battery, stator ?

I have a voltmeter intalled, and everything was OK for 20.000km. Now, I get a reading of overcharging on the voltmeter while riding. When the engine idles, voltage is OK.
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Bad_karma
Posted on Friday, March 21, 2008 - 01:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Vagelis
I believe I would start with the voltage regulator. What voltage are you seeing above idle.
Joe

(Message edited by Bad_karma on March 21, 2008)
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Vagelis46
Posted on Friday, March 21, 2008 - 02:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have a 2nd voltage regulator that I will install and see how it goes.

For the first 5min of riding the voltage is OK. Then it overcharges. I switch off, it runs OK, but after 5 min the same problem.

The reason I installed the voltmeter in the first place was that I had charging problems in the past. That time it was undercharging, due to bad connectors from the stator to the regulator. It has hard to find the problem, and I found the cause after installing a new regulator, only to have undercharging again.

This time is overcharging....But it seems that the voltmeter was a good thing to add to the bike.

I hope it is the regulator.

Thanks Joe
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Bad_karma
Posted on Friday, March 21, 2008 - 11:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Vagelis
I run a volt meter on my S3 because of a bad voltage regulator connector. I don't have the 3 phase system you have but I general see about 14.5 to 14.7 VDC at a cruise above 3000 rpm.
Joe
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