78 fram 82 motor no juice

  • Eldiablo
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78 fram 82 motor no juice

08 Sep 2009 18:56 - 08 Sep 2009 18:57
#320020
i just picked up a 78 kz650 that has a 82 750 motor mounted to it.

problem is it wont get juice no where. all the wiring seems to be in the right spots but nothing. not even a headlight flicker.

i know there is a 2 diff regulator/ret for the two diff years.

the one on it now is a 3 wire plug with a red and white wire by its self.

is this the proper r/r?

thanks for the insight
1978 kz650 with 81kz750 motor, dyna coils/pickup, 4/1 header, d&d pipe, pods, gsxr brake controls, airtech clipons, r1 taillight, and cafed out
Last edit: 08 Sep 2009 18:57 by Eldiablo.

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Re: 78 fram 82 motor no juice

08 Sep 2009 19:33
#320034
Did ya check your fuses? Is the battery charged?
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Re: 78 fram 82 motor no juice

08 Sep 2009 19:51
#320037
Yup all fuses are good and the battery is charged. I even put my snap on jump starter on it for extra juice.
1978 kz650 with 81kz750 motor, dyna coils/pickup, 4/1 header, d&d pipe, pods, gsxr brake controls, airtech clipons, r1 taillight, and cafed out

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Re: 78 fram 82 motor no juice

08 Sep 2009 20:27
#320048
Are you using the 650 wireing harness or the 750?

I'm assuming the latter. I can go look at my 750 manual in a min and see what rectifier leads should be.

Not going to be able to help on the 650 side what it needs. I don't have one.
KZ750R1 + 1991 ZR750 = KZR750R1
Better to be shot out of a cannon then squeezed through a tube. - HST

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Re: 78 fram 82 motor no juice

08 Sep 2009 20:51
#320052
dont know the swap was done before i bought it.
1978 kz650 with 81kz750 motor, dyna coils/pickup, 4/1 header, d&d pipe, pods, gsxr brake controls, airtech clipons, r1 taillight, and cafed out

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Re: 78 fram 82 motor no juice

08 Sep 2009 21:08
#320060
get your meter out and start at the battery checking for power as you go B)
Still recovering,some days are better than others.

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Re: 78 fram 82 motor no juice

08 Sep 2009 21:28
#320066
Ok found a blown fuse. Small opening almost Missed it. Thing is this bike has a modded harness. So what the fuse goes to I have no idea. I will track it down.

Can some one post or tell me where I can find a online diagram for a 82 750
1978 kz650 with 81kz750 motor, dyna coils/pickup, 4/1 header, d&d pipe, pods, gsxr brake controls, airtech clipons, r1 taillight, and cafed out

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Re: 78 fram 82 motor no juice

08 Sep 2009 21:54
#320071
Eldiablo wrote:
Ok found a blown fuse. Small opening almost Missed it. Thing is this bike has a modded harness. So what the fuse goes to I have no idea. I will track it down.

Can some one post or tell me where I can find a online diagram for a 82 750

In the green ribbon toward top of screen, "point" to KZ Information and then click on Filebase.

Next, find and click on 1982.

Or just click here >> Above navigates to this screen

Click on particular model of interest.

Watch for a wiring diagram to unload.

Good Luck! :)
1973 Z1
KZ900 LTD

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Re: 78 fram 82 motor no juice

08 Sep 2009 22:04
#320073
Ok looking at the diagrams I noticed that it has the 78 r/r on it. Now I need to find out if it has had the the 78 alt put in it
1978 kz650 with 81kz750 motor, dyna coils/pickup, 4/1 header, d&d pipe, pods, gsxr brake controls, airtech clipons, r1 taillight, and cafed out

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Re: 78 fram 82 motor no juice

08 Sep 2009 22:16
#320075
Just looked at the wireing. It has the black wife coming off the ground to the batt and red and white going to the batt. And the. The 2 leads to the stator. So thats correct. More wiring fun tomorrow.
1978 kz650 with 81kz750 motor, dyna coils/pickup, 4/1 header, d&d pipe, pods, gsxr brake controls, airtech clipons, r1 taillight, and cafed out

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Re: 78 fram 82 motor no juice

09 Sep 2009 05:15
#320103
Eldiablo wrote:
...has the black...coming off the ground to the batt....

May also notice the black wire changes to black/yellow as ground to battery negative.

Good Luck! :)
1973 Z1
KZ900 LTD

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Re: 78 fram 82 motor no juice

09 Sep 2009 18:11
#320271
ok got everything running. it was just + grounded to the frame.

one thing

the wires to and the r/r get really hot i am pretty sure she is out.
1978 kz650 with 81kz750 motor, dyna coils/pickup, 4/1 header, d&d pipe, pods, gsxr brake controls, airtech clipons, r1 taillight, and cafed out

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