KZR's Bikes of the Month for 2024

Yuasa battery

  • gordone
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26 Nov 2020 04:34 #838956 by gordone
Yuasa battery was created by gordone
Last year I have used cheap battery, but when the bike have stand for some wheel example its to weak to start the motor sometimes...

I want to have quality battery and not be worried about the start clutch to wear out faster then it needs to....

Yuasa YTX20H-BS

www.yuasabatteries.com/battery/ytx20h-bs/

Is these a good choice ?

1981 KZ650-D4, with 1981 z750L engine (Wiensco 810 big bore).

Project:
www.kzrider.com/forum/11-projects/607213...sr-1981-z750l-engine

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26 Nov 2020 04:49 #838959 by 73z1
Replied by 73z1 on topic Yuasa battery
Yuasa makes good batteries.

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26 Nov 2020 05:02 #838960 by gordone
Replied by gordone on topic Yuasa battery

73z1 wrote: Yuasa makes good batteries.


18AH is fine also, I see the service manual say 12AH orginal.

I will try to find a without acid, so I can fill it my self, to best quality (if it has been stored for a while at warehouse).

1981 KZ650-D4, with 1981 z750L engine (Wiensco 810 big bore).

Project:
www.kzrider.com/forum/11-projects/607213...sr-1981-z750l-engine

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26 Nov 2020 06:31 - 26 Nov 2020 07:02 #838963 by martin_csr
Replied by martin_csr on topic Yuasa battery
Is there a power source nearby so that a charger can be connected when the motorcycle is not ridden.
Er det en strømkilde i nærheten slik at en lader kan kobles til når motorsykkelen ikke kjøres.

My current battery is a Scorpion AGM & it is now 3 yrs + 3 mos. old. I keep a smart charger connected
whenever the motorcycle is parked in the garage. Ctek US 0.8 smart charger (Sweden).
Mitt nåværende batteri er en Scorpion-generalforsamling, og det er nå 3 år og 3 måneder gammelt.
Jeg holder en smart lader tilkoblet når motorsykkelen står i garasjen. Ctek US 0,8 smartlader (Sverige).
Last edit: 26 Nov 2020 07:02 by martin_csr.
The following user(s) said Thank You: gordone

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26 Nov 2020 07:24 #838969 by scubaanders
Replied by scubaanders on topic Yuasa battery
Yuasa is top notch and you should bu it dry.
Never did I expect that Martin is fluent in Norwegian :) :cheer:

/Anders

Gpz750R1 1982
Gpz750A1 1983
Gpz1100A2 1984
FZ750 1985
Gpz900R -91

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26 Nov 2020 07:51 #838974 by martin_csr
Replied by martin_csr on topic Yuasa battery
Yes, I'm fluent. in google translate. :lol:
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26 Nov 2020 08:09 #838976 by 650ed
Replied by 650ed on topic Yuasa battery
I've been using Yuasa batteries in my 1977 KZ650 since it was new and they work great. One question though - you show a Yuasa YTX20H-BS battery, but my 1977 KZ650 has always used a Yuasa YB10L-A2 battery. Make sure the battery you list is the correct one for your bike because I believe the one you list is the wrong size for the KZ650. The Yuasa YB10L-A2 battery is 5 5⁄16 in. x 3 9⁄16 in. x 5 3⁄4 in., but the Yuasa YTX20H-BS battery is 6 7⁄8 in. x 3 7⁄16 in. x 6 1⁄8 in. Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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26 Nov 2020 08:40 #838978 by gordone
Replied by gordone on topic Yuasa battery

650ed wrote: I've been using Yuasa batteries in my 1977 KZ650 since it was new and they work great. One question though - you show a Yuasa YTX20H-BS battery, but my 1977 KZ650 has always used a Yuasa YB10L-A2 battery. Make sure the battery you list is the correct one for your bike because I believe the one you list is the wrong size for the KZ650. The Yuasa YB10L-A2 battery is 5 5⁄16 in. x 3 9⁄16 in. x 5 3⁄4 in., but the Yuasa YTX20H-BS battery is 6 7⁄8 in. x 3 7⁄16 in. x 6 1⁄8 in. Ed


I will double check the measurements to make sure it fits.

I shall try to get highest possible of Ah, as long as it physical fits ?

1981 KZ650-D4, with 1981 z750L engine (Wiensco 810 big bore).

Project:
www.kzrider.com/forum/11-projects/607213...sr-1981-z750l-engine

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26 Nov 2020 08:43 #838979 by gordone
Replied by gordone on topic Yuasa battery

martin_csr wrote: Is there a power source nearby so that a charger can be connected when the motorcycle is not ridden.
Er det en strømkilde i nærheten slik at en lader kan kobles til når motorsykkelen ikke kjøres.

My current battery is a Scorpion AGM & it is now 3 yrs + 3 mos. old. I keep a smart charger connected
whenever the motorcycle is parked in the garage. Ctek US 0.8 smart charger (Sweden).
Mitt nåværende batteri er en Scorpion-generalforsamling, og det er nå 3 år og 3 måneder gammelt.
Jeg holder en smart lader tilkoblet når motorsykkelen står i garasjen. Ctek US 0,8 smartlader (Sverige).


haha funny :)
Shall we start writting a random language ? :)

1981 KZ650-D4, with 1981 z750L engine (Wiensco 810 big bore).

Project:
www.kzrider.com/forum/11-projects/607213...sr-1981-z750l-engine

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26 Nov 2020 09:10 #838981 by gordone
Replied by gordone on topic Yuasa battery
Since you all are so good in Norwegian :)

www.biltema.no/bil---mc/bilbatterier/bat...-12-v-8-a-2000040408



Minimum voltag - 2 volt

Will I`m able to charge the battery from 0v with these charger ?

1981 KZ650-D4, with 1981 z750L engine (Wiensco 810 big bore).

Project:
www.kzrider.com/forum/11-projects/607213...sr-1981-z750l-engine
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  • gordone
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26 Nov 2020 10:27 #838992 by gordone
Replied by gordone on topic Yuasa battery
I will go for a CTEK inteligent charger, as Martin has, det swedish one :)

1981 KZ650-D4, with 1981 z750L engine (Wiensco 810 big bore).

Project:
www.kzrider.com/forum/11-projects/607213...sr-1981-z750l-engine

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26 Nov 2020 11:37 #838995 by DOHC
Replied by DOHC on topic Yuasa battery

gordone wrote:
Minimum voltag - 2 volt

Will I`m able to charge the battery from 0v with these charger ?


For normal 12v lead-acid batteries, once it's discharged to 11 volts all the energy has been removed from the battery. It's empty. If it continues to be discharged, it starts to damage the battery.

A battery at 2V is probably permanently damaged. Even if it recovers it will probably have lost capacity and performance.

A battery at 0v is certainly permanently damaged.

'78 Z1-R in blue , '78 Z1-R in black, '78 Z1-R in pieces
My dad's '74 Z1
'00 ZRX1100

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