coil mod on the z1 900

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09 Jul 2007 19:23 #155796 by brich
Replied by brich on topic coil mod on the z1 900
Where is this Coil Mod your all talking about?? I need to do this too evdidently .. sounds good. Please send info!!

thanks
brian

1975 Z1 900, 1075 wiesco kit, web cams, smooth bores, dyna ignition, denco pipe, lester mags, wicked bad rotors, custom gauge face plates .. not much stock left.

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10 Jul 2007 05:20 #155882 by wiredgeorge
Replied by wiredgeorge on topic coil mod on the z1 900
See the Coil Repowering mod by going to our website; it is under "wg's Tech Stuff Index".

wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
Too many bikes to list!

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10 Jul 2007 18:30 #156034 by 76 LTD
Replied by 76 LTD on topic coil mod on the z1 900
Now if George could only figure out a way to eliminate those high dollar regulator/rectifiers.

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11 Jul 2007 05:02 #156094 by wiredgeorge
Replied by wiredgeorge on topic coil mod on the z1 900
If you don't want to use a "high dollar" reg/rec, I think loudhvx has posted instructions or has them on his website for a "do-it-yourself" unit using Radio Shack components. I don't know anything about cars but it might be possible to use a reg/rec from a Chevy... not sure how their alternators work (how many phases, etc). You could always research that route as a car unit is also likely less expensive than a motorcycle reg/rec.

I decided to make my 79 KZ1000E my only rider so I will likely replace the stator and reg/rec and associated connectors with stuff Z1enterprises.com sells. He sells both units by Ricks and they are pretty good units. The stock stuff is still working but is OLD and I like NEW and RELIABLE electronic stuff.

wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
Too many bikes to list!

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11 Jul 2007 15:48 #156228 by 76 LTD
Replied by 76 LTD on topic coil mod on the z1 900
Most of that went right over my head George my knowldge of electrical systems is turn it on if it works great if it dont call someone who knows about it.LOL.most GM sytems have a small regulaor inside the alternator to me it would seem difficult to make it work but i dont know.

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  • wagonmaster69
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  • 78 KZ1000A2 / 82 KZ1100 Spectre
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11 Jul 2007 22:11 #156292 by wagonmaster69
Replied by wagonmaster69 on topic coil mod on the z1 900
Hey George thats an ic ignitor that loudhvx used the GM parts on I just looked at the post. But knowing loudhvx he probly knows how to do that to.

78 KZ1000 work in progress in Hacienda Heights California and a 82 KZ1100 Spectra And a 1992 ZX11.

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12 Jul 2007 06:11 #156339 by wiredgeorge
Replied by wiredgeorge on topic coil mod on the z1 900
Sorry... I am sure he could work up a reg/rec as well.

wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
Too many bikes to list!

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  • wagonmaster69
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  • 78 KZ1000A2 / 82 KZ1100 Spectre
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12 Jul 2007 17:10 #156499 by wagonmaster69
Replied by wagonmaster69 on topic coil mod on the z1 900
No George. I was wrong he dose have one for a rectorfier
"sorry for my spelling" NEVER doubt the Wiregeorge..

78 KZ1000 work in progress in Hacienda Heights California and a 82 KZ1100 Spectra And a 1992 ZX11.

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02 Sep 2007 08:17 #167955 by KZAvery
Replied by KZAvery on topic coil mod on the z1 900
I have a question about this mod... a couple actually.

I have a stock KZ750 (twin), and want to do this mod. However, I am confused about #86 on the diagram. Does this connect to the same place #87 does....

Any one have a picture of where 86 runs to on the coil side?

Also, will this increase my gas mileage? (potentially)

Thanks so much..

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04 Sep 2007 18:18 #168571 by 77_650B1
Replied by 77_650B1 on topic coil mod on the z1 900
Nope, they dont go to the same place. #86 goes to the yellow/red stripe (on my kz650) coming back off your ignition that used to hook up to your coils. This powers your coils up until you do the mod. Then you disconect it, run it to #86, then run #87 to the coils, where the wire you now have running to #86 used to hook up.

I hope thats not gibberish.

1977 KZ650-B1
-Dual Discs
-Dyna-S
-WG Coil Mod
-Alloy Wheels

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