plug wire diameter

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09 Mar 2009 15:15 #270660 by jzanutto
plug wire diameter was created by jzanutto
what is the stock KZ650 spark plug wire size??
1978 KZ650B 2004 BMW R1150RT

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09 Mar 2009 15:35 #270665 by 650ed
Replied by 650ed on topic plug wire diameter
I don't know, but the stock wires are permanently attached to the coils. Are you planning to replace the wires only? Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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09 Mar 2009 15:51 #270669 by jzanutto
Replied by jzanutto on topic plug wire diameter
no, I am buying yellow heat shrink tubing to cover up the ugly black wires. Just need to know what size.

I cant measure mine because I am away from home on business
1978 KZ650B 2004 BMW R1150RT

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09 Mar 2009 15:58 #270672 by Patton
Replied by Patton on topic plug wire diameter
Click here for > Another option

Good Luck! :)
1973 Z1
KZ900 LTD

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09 Mar 2009 17:25 #270715 by H2RICK
Replied by H2RICK on topic plug wire diameter
I believe/believe they are 7 mm OD....but that does NOT include any protective armour that was/is installed as an overwrap.
KZ650C2 Stock/mint. Goes by "Ace".
H2A Built from a genuine basket case. Yes,it's a hot rod.
GT550A Stock/mint. Pleasant stroker.
2006 Bandit 1200S for easy LD rapid transit
Various H2 projects in the wings.

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09 Mar 2009 19:00 #270747 by inline79
Replied by inline79 on topic plug wire diameter
Yes, 7mm is correct. That is standard spark plug wire diameter. You can get splices for 7mm wire from NGK for $6.

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09 Mar 2009 19:01 #270749 by MFolks
Replied by MFolks on topic plug wire diameter
1/2" diameter heatshrink tubing will more tha do the job.If it's the 50% type the diameter will be a nice tight .250
1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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09 Mar 2009 19:09 #270754 by 650ed
Replied by 650ed on topic plug wire diameter
I measured. The wire is 7mm, but the rubber sheathing that covers most of it is .345" or just under 9mm. If you decide to put shrink tubing on it you may want to try one wire first to make sure it doesn't make it too stiff to route to the plug. Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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10 Mar 2009 03:56 #270856 by jzanutto
Replied by jzanutto on topic plug wire diameter
there is some 1/2" yellow on ebay I will try.

my coils and wires are perfectly good, just dont look that nice for a new rebuild
1978 KZ650B 2004 BMW R1150RT

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10 Mar 2009 04:41 - 10 Mar 2009 05:25 #270867 by Patton
Replied by Patton on topic plug wire diameter
Perhaps nylon? wire braid might be an option. Available in various sizes and colors, and relatively inexpensive. Basically cosmetic, but may offer some slight protection.

Aka expandable wire braid, wire sleeving, wire tubing, etc.

Good Luck! :)

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1973 Z1
KZ900 LTD
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Last edit: 10 Mar 2009 05:25 by Patton.

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