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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Troubleshooting (Poor Starting/Running/Handling/Ride Issues) » Archive through February 02, 2011 » Battery life « Previous Next »

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Bryn1203
Posted on Wednesday, September 08, 2010 - 06:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
Got either a charging or battery problem.
After a overnight charge bike starts & runs fine, but after hour or two of riding the engine management light comes on at low revs.

Battery had less than 12v when got home.

Battery was tested & battery expert said it had good amperage but could still be feked.

Bikes done 12K - original battery
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The_mad_mick
Posted on Wednesday, September 08, 2010 - 09:07 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
get a multimeter on your battery when the bike is running above idle it should read between 13.5 vdc and 14.5vdc if its 12.whatever and below the charging system is at fault, if its in the acceptable range its the battery is bad
to check the charging system no engine running 1st disconnect the battery then disconnect the regulator rectifier unit the 2 wires coming out of the engine should have continuity across them and none to ground if this is the case the your regulator rectifier is probably bad
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Bryn1203
Posted on Thursday, September 09, 2010 - 03:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
Thanks for that Mad mick
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The_mad_mick
Posted on Friday, September 10, 2010 - 09:50 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
my pleasure mate hope you find it
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