new to me 1976 KZ 900, wires go where?

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07 Jan 2022 13:07 #860178 by rscone11
Replied by rscone11 on topic new to me 1976 KZ 900, wires go where?
@F64
So far no spark when I turn the bike over,  I've checked a few plugs. The carbs are not ready to take any fuel and tank is off.
So if I am understanding this correctly since I have 10+ volts on the positive side of the coil it should be enough power to spark the plugs?
Any other readings I should check? 
Something I just noticed, when I power off the kill switch inward option(toward rider) I see the neutral light brighten just a touch, when I power off the kill switch to the forward position I hear a faint click, from center of bike.? 

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07 Jan 2022 13:09 #860179 by rscone11
Replied by rscone11 on topic new to me 1976 KZ 900, wires go where?
@Wookie58, you want me to take a reading with power on? Black to neg battery, pos to positive coil side?
thanks

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07 Jan 2022 13:10 #860180 by rscone11
Replied by rscone11 on topic new to me 1976 KZ 900, wires go where?
can I post a video on here?

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07 Jan 2022 13:12 #860182 by Wookie58

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07 Jan 2022 13:14 #860183 by Mikaw
Replied by Mikaw on topic new to me 1976 KZ 900, wires go where?
Never tried and I’m very tech illiterate. I heard you make the video, put it up on YouTube and the post the link. 

1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

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07 Jan 2022 13:24 #860185 by rscone11
Replied by rscone11 on topic new to me 1976 KZ 900, wires go where?
ok I made a couple amateur video's not the greatest but you get the idea. I can continue and try to improve my video skills!! lol
 

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07 Jan 2022 13:27 - 07 Jan 2022 13:30 #860187 by rscone11
Replied by rscone11 on topic new to me 1976 KZ 900, wires go where?
ok, looks like if you download in the bottom left corner or you may only be able to hear but not see ,unless you download it.
Let me know if this worked.

    IMG_9924.mov

Last edit: 07 Jan 2022 13:30 by rscone11.

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07 Jan 2022 13:31 #860188 by rscone11
Replied by rscone11 on topic new to me 1976 KZ 900, wires go where?
video is from an iphone and I am working on a mac laptop so it seems compatible. If you are on microsoft or another platform it may not work.

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  • Scirocco
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  • Never change a running system
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07 Jan 2022 13:49 - 07 Jan 2022 13:53 #860191 by Scirocco
Replied by Scirocco on topic new to me 1976 KZ 900, wires go where?
To see the video, right mouse click and save as IMG_9924.mov. As far as i can identify in the video, you have your wires to the coils (black on green and green on black) switched. So the coils/ignition/spark plug leads (1-4 and 2-3) are 180 degree off to the cam position.
Last edit: 07 Jan 2022 13:53 by Scirocco.

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07 Jan 2022 13:58 #860193 by Wookie58
Replied by Wookie58 on topic new to me 1976 KZ 900, wires go where?
Have seen the video, am looking at the wiring diagram now. Is the battery voltage still 12.4 and the coil feeds 10.6v ? Is so what is the voltage at either side of the 20amp main fuse ( black meter lead on battery negative)

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07 Jan 2022 14:04 #860195 by Wookie58
Replied by Wookie58 on topic new to me 1976 KZ 900, wires go where?
Also try disconnecting the yellow and red to the left coil - does the neutral light still dim when you switch to run
Repeat the above with the right coil disconnected and the left connected 

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07 Jan 2022 14:25 #860197 by rscone11
Replied by rscone11 on topic new to me 1976 KZ 900, wires go where?
Thanks @Scirrocco, I hooked up the wires from the new coils as same orientation of the old coils and the new coils male/female connectors only attach one way. I can't see the manufacturer messing that up, although you never know I guess. So the new coils have a yellow wire on the right side of the coil and black on the left side of the coil, they can only go on the bike one way. I hooked up the wires as same orientation of the old coils. The left side black wire goes to black, the right side black wire goes to green. The yellow wires(I assume positive side of the coils each go to the combination female lead to the red/yellow wire. Is that correct?

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