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Electronic Ignition Model Differences

  • Matt bx
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09 Sep 2021 05:32 #855039 by Matt bx
Electronic Ignition Model Differences was created by Matt bx
Hello, can anyone tell me the differences between the J model Electronic ignition and ZN1100/GPZ?

I was going to buy a Dyna S system for my 81 LTD but I have a ZN1100 crank. I remembered the ignition and crank end was different then the J model but the J model rotor and plate did bolt up. Dyna does not list the GPZ or ZN1100 as compatible with the Dyna S DS2-1.

 

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  • Scirocco
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09 Sep 2021 07:26 #855046 by Scirocco
Replied by Scirocco on topic Electronic Ignition Model Differences

Hello, can anyone tell me the differences between the J model Electronic ignition and ZN1100/GPZ?

I was going to buy a Dyna S system for my 81 LTD but I have a ZN1100 crank. I remembered the ignition and crank end was different then the J model but the J model rotor and plate did bolt up. Dyna does not list the GPZ or ZN1100 as compatible with the Dyna S DS2-1.


 
The GPZ/ZX1100 IC-igniter had an extra electronic ignition advance circuit onboard.
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09 Sep 2021 10:32 #855053 by Matt bx
Replied by Matt bx on topic Electronic Ignition Model Differences
The Advancer rotors look completely different. In fact, I'm not even sure the ZN1100/GPZ even had a mechanical element to it's advance. I cant seem to find a lot of info on it. 
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09 Sep 2021 12:49 #855060 by Scirocco
Replied by Scirocco on topic Electronic Ignition Model Differences
A GPZ1100UT (UNITRAK), aka ZX1100A1,A2,A3 engine didn´t have a mechanical advancer. The igniter electronic box did the advancer job.

 
 
 

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