failure to charge

  • exoskel
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failure to charge

09 May 2009 21:18
#289667
Hello all, I did search before posting so forgive me if I didn't see the relevant topic!


It seems that my battery isn't being charged while the engine's running. I've checked for loose connections, bare wires, checked the fuses, the battery is 2 weeks old. Throttling up will not increase the brightness of the headlight. Would my next step be to check the regulator/rectifier or the alternator? Also, I am unsure how to verify that the alternator is working as it should!

Thanks in advance for your help!
1979 KZ750B4
1998 Yamaha Blaster
South Bend, Indiana

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  • PLUMMEN
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Re: failure to charge

09 May 2009 21:21
#289673
check your voltage at battery while idling then at around 3000 rpms or so to see if voltage increases.then id check regulator and associated stuff
Still recovering,some days are better than others.

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Re: failure to charge

10 May 2009 18:38 - 10 May 2009 18:38
#290015
it is the R/R that is at fault! it seems completely dead.

now the problem, finding one that works for my bike without shelling out $200+ for one from babbitts
1979 KZ750B4
1998 Yamaha Blaster
South Bend, Indiana
Last edit: 10 May 2009 18:38 by exoskel.

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Re: failure to charge

10 May 2009 18:40
#290017
what does it interchange with? B)
Still recovering,some days are better than others.

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  • Patton
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Re: failure to charge

10 May 2009 19:28
#290044
If not already checked with Z1E, this reg/rec combo unit might fit.

Possibily this R/R

Good Luck! :)
1973 Z1
KZ900 LTD

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  • exoskel
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Re: failure to charge

10 May 2009 19:51
#290053
Well this looks like the one! Seems much better than buying a used one from a salvage yard that'll charge half of what the dealers charge!

Thanks so much Patton, you're #1 in my book ;)
1979 KZ750B4
1998 Yamaha Blaster
South Bend, Indiana

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