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750 twin no spark

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21 Jun 2021 16:41 #850560 by Beaner242
750 twin no spark was created by Beaner242
Just picked this bike up. Not getting any spark. My first thought is coil. I’m not familiar with this bike is there something else I should check first. Someone has pulled fuses and stuck the wires together. I will fix it after I find problem. I figure coil or igniter?

1982 KZ1000K LTD Chopper

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21 Jun 2021 18:15 - 21 Jun 2021 18:29 #850567 by F64
Replied by F64 on topic 750 twin no spark
Fix the fuses first.
If there is a short to ground along the positive wires, you will have a bad day.
 Do you know what the heating elements look like on a toaster at full power????
That is what your wire becomes. All the way from the battery to the short.
I've set a car on fire doing that.

81-KZ440-D2.
Louis Dudzik's GM HEI ignitor conversion installed 2015 s3.amazonaws.com/gpzweb/Ignition/GPZgmHEImod.html
Motogadget m-unit blue installed 2017.
LIC, NY
Last edit: 21 Jun 2021 18:29 by F64.

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21 Jun 2021 18:36 #850568 by TexasKZ
Replied by TexasKZ on topic 750 twin no spark
Amen. Putting power in the electrical system without any fuses is a very risky move. All kinds of things can be fried.
No spark can be something as simple as the kill switch is in the wrong position. It could also be fried coils and ignition module. Could be broke wires or a bad switch. A careful, systematic approach with your favorite volt-Ohm meter will reveal the gremlins.

The factory service manual has some good, basic diagnostic procedures for various electrical problems.

kzrider.com/modules/ServiceManuals/Kawas...l%20KZ750%20Twin.pdf

1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24

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