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Buell Forum » 1125R Superbike Board » Stator/Voltage Regulator/Charging System subforum » Archive through January 29, 2013 » My turn?? « Previous Next »

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C818919
Posted on Sunday, July 15, 2012 - 05:07 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Riding today the check engine light came on along with the battery light. It didnt stay on long but is the beginning of a stator problem?? Also after that few miles down the road the bike lost all power three times for a split sec. Same problem??
4500 miles.
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Froggy
Posted on Sunday, July 15, 2012 - 06:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hard to say for sure, it is a bit of a yes/no answer. A stator failure can cause your symptoms, but it isn't the only cause. A failing voltage regulator, a bad battery, even loose battery terminals can do the same. I recommend you start performing diagnostics on your stator and battery to see if you can narrow it down.
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Baf
Posted on Sunday, July 15, 2012 - 10:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Check AC output of the stator (unplug from VR) while idling/running above idle. That seems to be a pretty definitive test.

Check all three phases. You want them all to be roughly equal in voltage. IIRC, you want to see 15-20VAC at idle and somewhere around 40-60VAC at 4500RPM. Check the service manual for the exact numbers, I'm just going from memory here.
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Dhays1775
Posted on Monday, July 16, 2012 - 04:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Baf, the revised output is 35-45 volts from one leg to another at 3000 RPMs. I have the service "Buelletin" that Al sent me. Shoot me a PM if you want it.

(p.s. I couldn't figure out how to upload it on here)
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C818919
Posted on Saturday, July 28, 2012 - 03:44 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yea its f'ed....changed it and the rotor, also put full exhaust and programible ecm........do you know if my Speedo should work???? Or do i need to have my ecm reflashed??
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