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CBR 600F4 1999 - 2000 Honda CBR 600F4 Forum

volts drop when revving

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Old Sep 26, 2016 | 11:49 AM
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wills rims's Avatar
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Default volts drop when revving
Hi, I have f4 that at idle is around 13v and when I rev it the battery volts drop down in the mid 12vlts and then back up at idle. Any help would be great.
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Old Sep 29, 2016 | 11:18 AM
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This is most likely a failed regulator/rectifier or stator. There should be a test procedure in the manual to figure out which. I believe Hondas are known to have weak reg/recs.
 
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Old Sep 30, 2016 | 07:27 AM
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Hi, yes it was regulator. The stator checked out good. Thanks for the help.
 
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Old Oct 2, 2016 | 03:08 PM
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I have spare regulator if you need one, it came of a 2005 F4
 
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Old Oct 3, 2016 | 07:22 AM
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I already picked up one. Thanks for offering it up.
 
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