BATTERY for 76 - 77 KZ's

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27 Dec 2017 18:22 #776667 by 650Dude
BATTERY for 76 - 77 KZ's was created by 650Dude
I have a 77 KZ650 and a KZ750B twin. I noticed the lead acid battery in the KZ750 is leaking. Any suggestion on a aftermarket batter?
1977 Kawasaki KZ650B
1977 Kawasaki KZ750 Twin

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  • slmjim+Z1BEBE
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27 Dec 2017 20:11 #776674 by slmjim+Z1BEBE
Replied by slmjim+Z1BEBE on topic BATTERY for 76 - 77 KZ's
Hi 650Dude,
If you're talking about conventional wet lead/acid batteries, anything from Taiwan or Japan is fine in our experience. Chinese crap is exactly that.

We've been buying from either WalMart or Meijers.


Good Ridin'
slmjim & Z1BEBE
A biker looks at your engine and chrome.
A Rider looks at your odometer and tags.

1973 ('72 builds) Z1 x2
1974 Z1-A x2
1975 Z1-B x2
1993 CB 750 Nighthawk x2
2009 ST1300A

www.kawasaki-z-classik.com
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on all things Z1, Z2 and KZ900.

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28 Dec 2017 15:56 - 28 Dec 2017 16:05 #776703 by TexasKZ
Replied by TexasKZ on topic BATTERY for 76 - 77 KZ's
No more leaks........

www.bikebandit.com/aftermarket-parts/ele...l-a/p/49259?m=150647

Currently in my bike.....

www.summitracing.com/parts/ysa-ytx14-bs?...e2-_-yuasa-batteries
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough
Last edit: 28 Dec 2017 16:05 by TexasKZ.

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28 Dec 2017 17:57 #776709 by jeffz
Replied by jeffz on topic BATTERY for 76 - 77 KZ's
The battery I have in my 78 KZ1000 D is a Caltric BA-154. Currently on eB for 44 bucks, shipped! Fits perfect, same stats as the Yuasa cited by Texas KZ. It's sealed, AGM type. Been working fine for me for 3 months.

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29 Dec 2017 06:12 #776721 by bluej58
Replied by bluej58 on topic BATTERY for 76 - 77 KZ's
I am using a maintenance free Duralast Gold power sport battery purchased from Auto Zone and it was around 85 bucks.
Made in America ( I think )
Works good so far
78 KZ1000 A2A

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29 Dec 2017 17:58 #776738 by 650Dude
Replied by 650Dude on topic BATTERY for 76 - 77 KZ's

bluej58 wrote: I am using a maintenance free Duralast Gold power sport battery purchased from Auto Zone and it was around 85 bucks.
Made in America ( I think )
Works good so far


I looked at that battery the other day. The EXT14. The reviews are absolutely HORRIBLE, like consistently horrible. I feel like i dodged a bullet on that Duralast battery.
1977 Kawasaki KZ650B
1977 Kawasaki KZ750 Twin

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29 Dec 2017 18:02 - 29 Dec 2017 18:04 #776739 by 650Dude
Replied by 650Dude on topic BATTERY for 76 - 77 KZ's

TexasKZ wrote: No more leaks........

www.bikebandit.com/aftermarket-parts/ele...l-a/p/49259?m=150647

Currently in my bike.....

www.summitracing.com/parts/ysa-ytx14-bs?...e2-_-yuasa-batteries


A gentleman over at Shorei batteries told me, when I was going to buy that battery from the company, that KZ750B bikes shouldnt use a lithium battery unless the regulator/rectifier has been upgraded. Lithium batteries, Im told, fry stock parts.
1977 Kawasaki KZ650B
1977 Kawasaki KZ750 Twin
Last edit: 29 Dec 2017 18:04 by 650Dude.

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30 Dec 2017 09:29 #776755 by slmjim+Z1BEBE
Replied by slmjim+Z1BEBE on topic BATTERY for 76 - 77 KZ's

650Dude wrote: A gentleman over at Shorei batteries told me, when I was going to buy that battery from the company, that KZ750B bikes shouldnt use a lithium battery unless the regulator/rectifier has been upgraded. Lithium batteries, Im told, fry stock parts.


Glad someone said it.

Flooded wet cell lead/acid and AGM batteries require similar charge regulation. Not so with lithium batteries.

The charging needs of lithium batteries are far beyond the capabilities of the relatively crude systems of motorcycle systems, unless said system was designed specifically for a lithium battery. Example:
batteryuniversity.com/learn/article/char...ithium_ion_batteries


Good Ridin'
slmjim & Z1BEBE
A biker looks at your engine and chrome.
A Rider looks at your odometer and tags.

1973 ('72 builds) Z1 x2
1974 Z1-A x2
1975 Z1-B x2
1993 CB 750 Nighthawk x2
2009 ST1300A

www.kawasaki-z-classik.com
An enthusiast's forum focused exclusively
on all things Z1, Z2 and KZ900.

Please Log in or Create an account to join the conversation.

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