Spark Plug Caps ???

  • Patton
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Re: Spark Plug Caps ???

26 Jun 2016 06:35 - 26 Jun 2016 06:48
#732861
pjluckai wrote: .... or so I thought. Dyna 3ohm mini coils installed, solid core wires, Non "R" plugs and caps... Runs fine, but shut it off after a 15 min ride and the battery was completely dead. Anyone know what could have caused this?

Because it runs fine, the ignition circuit seems okay. But the dead battery indicates either a charging circuit issue, or an issue with the battery itself, or an unwanted voltage drain.

Before further diagnosis and testing, would first service the battery (if applicable), and charge it.

May test the charging circuit by measuring voltage between the battery posts at 4000 rpm (look for 14-15 volts DC).

To prepare the battery for load-testing, would service the battery (as applicable), charge it overnight, and have it load-tested (for free at local automotive parts store such as AutoZone, Walmart, etc., or any place that sells batteries).

With a good battery and a functional charging circuit, would suspect a voltage drain somewhere in the electrical system that's consuming voltage faster that the battery is being charged.

Good Fortune! :)
1973 Z1
KZ900 LTD
Last edit: 26 Jun 2016 06:48 by Patton.
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  • pjluckai
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Re: Spark Plug Caps ???

29 Jun 2016 12:28
#733287
Patton wrote:
pjluckai wrote: .... or so I thought. Dyna 3ohm mini coils installed, solid core wires, Non "R" plugs and caps... Runs fine, but shut it off after a 15 min ride and the battery was completely dead. Anyone know what could have caused this?

Because it runs fine, the ignition circuit seems okay. But the dead battery indicates either a charging circuit issue, or an issue with the battery itself, or an unwanted voltage drain.

Before further diagnosis and testing, would first service the battery (if applicable), and charge it.

May test the charging circuit by measuring voltage between the battery posts at 4000 rpm (look for 14-15 volts DC).

To prepare the battery for load-testing, would service the battery (as applicable), charge it overnight, and have it load-tested (for free at local automotive parts store such as AutoZone, Walmart, etc., or any place that sells batteries).

With a good battery and a functional charging circuit, would suspect a voltage drain somewhere in the electrical system that's consuming voltage faster that the battery is being charged.

Good Fortune! :)

You are correct again sir. Voltage between the battery posts was low. Considering the age of the battery, I went with a new one, and problem solved.

Thanks!
Pete

'82 GPZ 1100

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  • kzdcw
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Re: Spark Plug Caps ???

30 Jun 2016 16:34
#733404
About ready to purchase the complete Dyna S kit for my 77' KZ1000A. I'm assuming that the Dyna wires are probably a solid core copper wire with a Non-Resistance spark plug cap ?

I just purchased New NGK YBO5F spark plug caps 5Kohm. Can I use these with my new Dyna system and wires ?
77' KZ1000A

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  • Nessism
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Re: Spark Plug Caps ???

30 Jun 2016 16:50
#733405
I thought dyna wires were suppression type?
Ed
Carb O-ring Kits : www.kzrider.com/forum/3-carburetor/61807...-o-ring-kits?start=0

www.kzrider.com/forum/faq-wiki/618026-new-owner-things-to-know

1981 KZ750E2
www.kzrider.com/forum/11-projects/604901...z750e-project-thread

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Re: Spark Plug Caps ???

30 Jun 2016 17:00
#733406
Dyna shows a 7mm stranded copper core wire in either black or red. They also show a 7mm ( black ) suppression core and an 8mm ( gray ) suppression core wire.

Not sure which ones to use with the spark plug caps I have or ditch these caps and use the caps that are on the Dyna wires ?
77' KZ1000A

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  • SWest
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Re: Spark Plug Caps ???

30 Jun 2016 17:31
#733409
Post the link to the wires. I don't have resistor wires or caps.
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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Re: Spark Plug Caps ???

30 Jun 2016 19:03
#733416
Solid copper core non suppression in black, white, and yellow is what I've always used over the years and since day one.
1978 KZ650 b-2
700cc Wiseco kit 10 to 1.
1980 KZ750 cam, ape springs, stock clutch/ Barnett springs.
Vance and Hines Header w/ comp baffle and Ape pods, Dyna S and green coils, copper wires.
29MM smooth bores W/ 17.5 pilots, 0-6s and 117.5 main
16/42 gearing X ring chain and alum rear JT sprocket.

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Re: Spark Plug Caps ???

30 Jun 2016 19:12
#733420
You don't need resistor caps with suppression wire.
Ed
Carb O-ring Kits : www.kzrider.com/forum/3-carburetor/61807...-o-ring-kits?start=0

www.kzrider.com/forum/faq-wiki/618026-new-owner-things-to-know

1981 KZ750E2
www.kzrider.com/forum/11-projects/604901...z750e-project-thread

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  • kzdcw
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Re: Spark Plug Caps ???

30 Jun 2016 20:04 - 30 Jun 2016 20:06
#733427
So from all the responses to my question, it looks like I'll be alright using my NGK resistor spark plug caps with the Dyna solid copper core spark plug wires :)
77' KZ1000A
Last edit: 30 Jun 2016 20:06 by kzdcw.

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  • Patton
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Re: Spark Plug Caps ???

30 Jun 2016 20:09
#733428
kzdcw wrote: So from all the responses to my question, it looks like I'll be alright using my NGK resistor spark plug caps with the Dyna solid copper core spark plug wires :)

Yes. Together with B8ES spark plugs. (Don't use "R" plugs.)

Good Fortune! :)
1973 Z1
KZ900 LTD
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