What is this above the coil

  • mihaib0nciu
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What is this above the coil

04 Mar 2020 11:30
#820291
Hello kz comunity,
I want to restore electric sistem on my kz650 and I found something that is not specified in the manual. I attached a photo. The location was above the coil connected in parallel whit that. Knows enybody what it can be? Thank you. Mihai
Kz650

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  • martin_csr
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Re: What is this above the coil

04 Mar 2020 13:39 - 04 Mar 2020 13:40
#820300
Howdy. What year & specific model is your KZ650? Can you remove the electrical component from the bracket for a better view of how the wires are connected? I looked at the diagrams at Partzilla for various models, but didn't see a bracket like that. And the only unusual electrical component I can think of is the regulator found on some models, such as the 77 KZ650-C1 or 78 KZ1000C Police.
1981 KZ650 Competition Sports and Road
Last edit: 04 Mar 2020 13:40 by martin_csr.
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  • 650ed
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Re: What is this above the coil

04 Mar 2020 13:58
#820302
martin_csr wrote: Howdy. What year & specific model is your KZ650? Can you remove the electrical component from the bracket for a better view of how the wires are connected? I looked at the diagrams at Partzilla for various models, but didn't see a bracket like that. And the only unusual electrical component I can think of is the regulator found on some models, such as the 77 KZ650-C1 or 78 KZ1000C Police.

It's not a voltage regulator from a KZ650-C1. Here's what that unit looks like. Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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Re: What is this above the coil

04 Mar 2020 14:10 - 04 Mar 2020 14:22
#820303
There's a "regulator" listed in the chassis electrical diagram for a few models, including the 650-C1. Part #21066-026. It's a small part & I have no idea of its purpose. Cmsnl.com has a pic of it.

[img
1981 KZ650 Competition Sports and Road
Last edit: 04 Mar 2020 14:22 by martin_csr.
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  • Scirocco
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Re: What is this above the coil

04 Mar 2020 16:31
#820307
Looks more like an ballast resistor/interference filter to eleminate electric HF emissions.
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  • 650ed
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Re: What is this above the coil

04 Mar 2020 16:42 - 04 Mar 2020 18:30
#820308
martin_csr wrote: There's a "regulator" listed in the chassis electrical diagram for a few models, including the 650-C1. Part #21066-026. It's a small part & I have no idea of its purpose. Cmsnl.com has a pic of it.

[img

That piece (21066-026) is a "Turn Signal Regulator" for the KZ650-C1. Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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Last edit: 04 Mar 2020 18:30 by 650ed.
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Re: What is this above the coil

04 Mar 2020 22:32
#820324
Scirocco wrote: Looks more like an ballast resistor/interference filter to eleminate electric HF emissions.

I think you are right, it is possible to be interference filter. It appears that's functioning without this part.

I haven't a photo with this attached and now all electrical wires are removed from motorcycle.
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  • loudhvx
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Re: What is this above the coil

07 Mar 2020 03:14
#820455
It does appear to be a resistor like Scirocco said. If someone installed it to compensate for some aftermarket coils that are too low in resistance, you will want to get different coils or use the resistor.

The stock coils should be about 4 ohms when using points. If it was converted to electronic ignition, it may be lower depending on which ignition was used.
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Re: What is this above the coil

07 Mar 2020 11:20
#820494
Flip it over and get a few additional photos, might help
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
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