spark plug wire question

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25 Feb 2010 19:08 #350177 by kz750ohio
spark plug wire question was created by kz750ohio
I have updated my ride with some new Dana 2.2 ohm coils. I did the WiredGeorge coil mod for some good power but I have a question on the wires. I currently have copper core wires but I was wondering do I need the NGK resistor caps or should I run the graphite core wires.

My girl has factory electronic ignition and everything else is pretty much stock. She is a 1982 Kz750-H3.

Hopefully the snow will find another home so my girl can get out and enjoy some air.

thanks,

max

1982 kawasaki kz750 with mikuni carbs bs34, stock everything else.

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25 Feb 2010 20:13 #350202 by MFolks
Replied by MFolks on topic spark plug wire question
What came from the factory on the older 4's was stranded copper wire for the sparkplug leads(or as the Brit's call them, High Tension Leads).

The resistor sparkplug caps were designed to reduce the RFI when the sparkplugs fired(the pop and snap heard on radio's).

For higher output,I'd recommend 7-8MM copper sparkplug leads witout any resistor caps.

What you don't want to do is have both Graphite sparkplug leads and resistor caps as it will greatly reduce the spark energy.

1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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  • TeK9iNe
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25 Feb 2010 21:55 #350221 by TeK9iNe
Replied by TeK9iNe on topic spark plug wire question
Never select a coil with a lower resistance than your ignition system - this will cause the coils to overheat and burn out... It is OK to select coils with a slightly higher resistance.

Better check the stock electronics... :huh:

B)

Motorcycle Shop Owner/Operator

79 Kawie Z1000 LTD
81 Kawie Z1000 CSR
83 Honda VT750C A
85 Kawie GPZ900 A2
86 Zukie GS1150 EG
93 Yamie XV1100 E
Lucky to have rolled many old bikes through my doors ;)

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26 Feb 2010 05:00 #350242 by otakar
Replied by otakar on topic spark plug wire question
Don't worry, you have the right ignition system for those coils. You need to use solid core wire for the bike. Do not use graphite core wire. You can use 7 or 8 mm wire. If you can't find any wire, I have a whole spool of 7mm solid core reinforced silicone wire. You can have what you need for buck-&-A-half a foot. my guess would be about 5 feet.

74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000

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