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battery not charging 14 Feb 2017 20:46 #754235

  • gixxerkidd03
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not charging and stator resistance is high ( outside of specs), replace?? i didnt check its AC output.
but i have nothing coming out of the rectifier to the battery.

kz750e
stator range .48 - .72 ohms
mine is .8-.9 ohms

whatcha think
1981 KZ750e

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battery not charging 14 Feb 2017 20:59 #754236

  • Nessism
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Those resistance numbers aren't horrable but if you got no output you got no output. Checking no-load AC Voltage is not definitive anyway, unless the numbers are low.
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battery not charging 15 Feb 2017 06:45 #754247

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My next move I guess would be to check the AC output. Make sure it's putting out something around the 50V AC it calls for @4000 RPM. If I don't see any change at the battery ( which I don't), I guess I'm to suspect the rectifier has failed and has no output? Seems like I'm barking up the right tree
1981 KZ750e

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battery not charging 15 Feb 2017 06:49 #754249

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I fought charging issues on my 750. Had two different stators that put out 70+ VAC but wouldn't charge at more than 13.5 volts. R/R was good. Wound up with a new Ricks stator and immediately saw 14.5 volts charging.

BTW, the best R/R going these days is the Shindengen SH775. It's the "series" type, not the "shunt" type, and helps protect your stator from failure.

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battery not charging 15 Feb 2017 10:02 #754259

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Great thanks for the info I'll look into the r/r and stator. I'm only showing 12.8 at the battery while running
1981 KZ750e

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battery not charging 15 Feb 2017 11:32 #754263

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Remember to rev up the engine to 5000 rpm or so before checking voltage.

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