Resistor sparkplug

gordone
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Resistor sparkplug

Yesterday 14:58 - Yesterday 14:59

I have installed m-unit blue, but are running without reistor on the spark plug cable and plug itself..

Wire:
Dyna Ignition Wires 7mm copper core.

Coil:
Dyna Dual Output 3.0 Ohm Coils (pair) DC1-1

Can I use these spark plugs?

www.thansen.no/scooter-mc/moped-og-scoot...ngk/n868300/pn868302

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

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

Last edit: Yesterday 14:59 by gordone.

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kevski
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Re: Resistor sparkplug

Today 02:02

#921097

In short if you run non resistor cables and spark plugs you can use resistor caps.

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Warren3200gt
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Re: Resistor sparkplug

Today 03:15

#921098

one resistor in any one ignition line only or alternatively no resistors is also fine.

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gordone
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Re: Resistor sparkplug

Today 10:50 - Today 10:50

#921104

I have previously run the ignition system without any resistor in the plug caps or wires, and it worked perfectly.However, last winter I rebuilt the wiring harness and installed an m-unit blue, so I now want to add a resistor to reduce electrical noise.

Is a 5 kΩ resistor plug cap the correct choice for my setup, and will these NGK 5 kΩ caps fit my existing Dyna 7 mm copper-core ignition wires?

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

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

Last edit: Today 10:50 by gordone.

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Nessism
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Re: Resistor sparkplug

Today 11:14

#921107

gordone wrote:

I have previously run the ignition system without any resistor in the plug caps or wires, and it worked perfectly.However, last winter I rebuilt the wiring harness and installed an m-unit blue, so I now want to add a resistor to reduce electrical noise.

Is a 5 kΩ resistor plug cap the correct choice for my setup, and will these NGK 5 kΩ caps fit my existing Dyna 7 mm copper-core ignition wires?

Yes, and yes.

The OEM wires were 7mm copper core, and the plug caps were 5k resistance. You are exactly duplicating the OEM setup.

Ed
Carb O-ring Kits : www.kzrider.com/forum/14-vendor-forum/62...rburetor-o-ring-kits

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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