KZR's Bikes of the Month for 2024

Battery question.

  • Nessism
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23 Aug 2022 16:14 #872725 by Nessism
Replied by Nessism on topic Battery question.

So I pulled the battery and it ran 12.6 VDC on the bench. I've got it on a motorcycle battery charger right now. Sounds to me like the battery is fine though. Where do I go from here?
Start the bike.  Check DC voltage across the battery and rev the engine up to 5000 rpm.  If the charging system is healthy, you should get about 13.9-14.5 VDC.  If less than 13.7 V, you have a serious charging system problem.  If more than 15 V, your regulator has failed, or is about too.

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23 Aug 2022 16:26 #872727 by Qsmothers3
Replied by Qsmothers3 on topic Battery question.
I can't get the bike running without roll starting it though. That's the problem. 

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23 Aug 2022 17:29 #872732 by Qsmothers3
Replied by Qsmothers3 on topic Battery question.
I think my issue is my starter. It will click but not turn the bike over. 

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23 Aug 2022 18:14 #872734 by Qsmothers3
Replied by Qsmothers3 on topic Battery question.
The starter solenoid clicks just a single time with the key on and pushing the start button. I don't hear the starter motor turning at all. Is there a relay or fuse that could be blown? I really hope I don't need to replace the starter. 

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  • Nessism
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23 Aug 2022 18:19 #872735 by Nessism

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23 Aug 2022 23:41 - 23 Aug 2022 23:49 #872742 by Wookie58
Replied by Wookie58 on topic Battery question.
A starter fault would not have caused it to stutter and lose power ( could be more than one thing going on or something effecting both) Connect your voltmeter as follows - black lead to battery ground and red lead to the body of your starter, now push the starter button. If the reading is any more than 0.3v you have a bad ground on the motor
If you look at the third to last page of the guide on the below post there is a fault finding flow chart for the starter circuit
www.kzrider.com/forum/forum-index/faq-wi...-fault-finding-guide
Last edit: 23 Aug 2022 23:49 by Wookie58.

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24 Aug 2022 21:30 #872797 by F64
Replied by F64 on topic Battery question.
take a photo of the front of your meter and we'll walk you through the troubleshooting.

81-KZ440-D2.
Louis Dudzik's GM HEI ignitor conversion installed 2015 s3.amazonaws.com/gpzweb/Ignition/GPZgmHEImod.html
Motogadget m-unit blue installed 2017.
LIC, NY

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27 Aug 2022 09:53 #872939 by Qsmothers3
Replied by Qsmothers3 on topic Battery question.
So I took my starter out and hooked it straight to a battery and it did not spin. That is my issue. Now I have no clue where I'm going to find a starter for this bike. 

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27 Aug 2022 10:06 #872941 by JR
Replied by JR on topic Battery question.
Check your manual on how to service the starter. It may be as simple as opening the top and blowing out crud and carbon dust. It may just require replacing brushes. Make sure you scribe a line between top and bottom before you remove the 2 long bolts and take the top cap off. Its not difficult.

1980 kz750E1, Delkevic exhaust

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27 Aug 2022 10:30 #872942 by Qsmothers3
Replied by Qsmothers3 on topic Battery question.
I'm not sure I will ever get these bolts out. 
Attachments:

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27 Aug 2022 10:39 - 27 Aug 2022 13:00 #872943 by F64
Replied by F64 on topic Battery question.
i'm curious as to why your bike sputtered and lost power while riding though.

how did you hook up the battery to the starter to test it?

®

81-KZ440-D2.
Louis Dudzik's GM HEI ignitor conversion installed 2015 s3.amazonaws.com/gpzweb/Ignition/GPZgmHEImod.html
Motogadget m-unit blue installed 2017.
LIC, NY
Last edit: 27 Aug 2022 13:00 by F64.
The following user(s) said Thank You: Mikaw, Wookie58

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27 Aug 2022 11:59 #872948 by ckahleer
Replied by ckahleer on topic Battery question.
No eBay APP ID and/or Cert ID defined in Kunena configuration

I'm not sure I will ever get these bolts out. 
 
Do you have a #3 impact driver?

94 KE100
81 CM200t
82 KZ305
85 VF1100c

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