KZ motor swap electrical problems

  • ElSombreroNegro
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06 May 2011 20:25 #449287 by ElSombreroNegro
KZ motor swap electrical problems was created by ElSombreroNegro
I did a motor swap, and the newer motor has more wires than the old one did. old motor had 2 wires, new one has 5. new motor is a 77 kz750 twin. old motor is 77 kz200 single. everything else is already done, exept the charging wires, because I dont know what to do with all the extra wires.. Anyone can help?

(Mostly) 1976 KZ750 Twin in a (Mostly) 1978 KZ200 frame (dont ask me what I was thinking)

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06 May 2011 20:29 #449290 by MFolks
Replied by MFolks on topic KZ motor swap electrical problems
Color of wires? where they go to & from? Ignition? Handlebars? Pictures?

1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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07 May 2011 00:52 #449365 by steell
Replied by steell on topic KZ motor swap electrical problems
The KZ200 had a single phase permanent magnet alternator with two wires while the 77 750 has an excited field alternator with all those wires. The simplest solution is to use 78-80 750 rotor, stator, side cover, and regulator, otherwise you need to find the 76-77 750 regulator and rectifier assembly, and they are not always easy to find.

KD9JUR
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  • ElSombreroNegro
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07 May 2011 01:31 #449369 by ElSombreroNegro
Replied by ElSombreroNegro on topic KZ motor swap electrical problems
Well that just makes too much sense! Guess it wont be running this weekend after all! Thoughts on which way you would go yourself?

(Mostly) 1976 KZ750 Twin in a (Mostly) 1978 KZ200 frame (dont ask me what I was thinking)

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07 May 2011 03:01 #449382 by ElSombreroNegro
Replied by ElSombreroNegro on topic KZ motor swap electrical problems
Found an aftermarket regulator/rectifier for $86, will just buy it and be done. Thanks for the info!

(Mostly) 1976 KZ750 Twin in a (Mostly) 1978 KZ200 frame (dont ask me what I was thinking)

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