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Buell Forum » 1125R Superbike Board » Stator/Voltage Regulator/Charging System subforum » Archive through November 04, 2011 » Voltage Regulator Problem??? « Previous Next »

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Urvman
Posted on Monday, August 01, 2011 - 09:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
Anyone ever seen a "system voltage" error on an 1125? My 09 CR is intermittently giving this message. Looks like the voltage is too high. It has an FMF exhaust, a Erik Buell Racing ecm and a K&N air filter. Does any one know what the electrical recall mod does? Some alternator wires seem to go to the ecm?
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Dannybuell
Posted on Monday, August 01, 2011 - 09:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
at the top of the page is a google in multi colors. Search on 'stator', 'voltage regulator posplayer' to get caught up on the 09-10 stator and voltage regulator issues.
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Tbowdre
Posted on Monday, August 01, 2011 - 11:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
your voltage regulator/rectifier is the most likely culprit... 99% chance
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Gofast
Posted on Tuesday, August 02, 2011 - 10:18 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
Having the same issue. I'm swapping the VR out on mine.
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Urvman
Posted on Tuesday, August 02, 2011 - 12:38 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
OK, read a lot of post. Electrical system is crap. Which regulator is the best to go with? Stock, Compufire or FH012AA ?????? Also is stock system a PM generator or alternator?
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Reepicheep
Posted on Tuesday, August 02, 2011 - 02:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
Its a fixed field (permanent magnet) system generating AC voltage.
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Urvman
Posted on Thursday, August 04, 2011 - 01:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
Thanks All. It was the RR. I currently replaced it with a stock one but after some research I plan to upgrade to a MOSFET RR AND keep the factory switching harness. Hopefully this combination will protect the stator. Anyone know the circumstances that open the relay on the upgraded harness? Does it still work with my Erik Buell Racing ECM? Thx again!
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Rob_l
Posted on Thursday, August 04, 2011 - 01:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
Engine temp. and RPM. Erik Buell Racing ECM good to go.
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