re build 1980 KZ1000

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07 Jun 2014 18:01 #635702 by 771000LTD
re build 1980 KZ1000 was created by 771000LTD
Hello every one,

The question is can and should you put 1979 head on top of a 1980 engine ?

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  • 4TheKZ1000
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07 Jun 2014 18:05 #635703 by 4TheKZ1000
Replied by 4TheKZ1000 on topic re build 1980 KZ1000
why not 1979 and 1980 shared the same head on some engines. Is it a smog head?

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07 Jun 2014 18:30 #635706 by 771000LTD
Replied by 771000LTD on topic re build 1980 KZ1000
Dont know.just bought on e bay and there was no valve cover in pic.
Comes with the cams.


Attachment 1979head.jpg not found

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07 Jun 2014 18:51 #635710 by LarryC
Replied by LarryC on topic re build 1980 KZ1000
Same head as the 80 models.....
Larry C.
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07 Jun 2014 18:53 #635711 by StreetfighterKz
Replied by StreetfighterKz on topic re build 1980 KZ1000
The pic you posted is a SMOG head. You can see the four ports just above the spark plugs.

Later, Doug
1978 z1000 Streetfighter
1976 z900 Stripfighter (work in progress)
1983 Gpz750 Resto-Mod
1989 Vmax
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07 Jun 2014 18:54 - 07 Jun 2014 19:14 #635712 by 4TheKZ1000
Replied by 4TheKZ1000 on topic re build 1980 KZ1000
yep a smog head. You will need a MKII or smog cover.

The red circles are the exhaust ports, for this reason the head is called a smog head or emission head.

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On the head cover, you can see the front pockets.


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It also has a square end not rounded.

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Last edit: 07 Jun 2014 19:14 by 4TheKZ1000.

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07 Jun 2014 19:13 #635716 by 771000LTD
Replied by 771000LTD on topic re build 1980 KZ1000
I got a cover from 1979 shaft that will work.Its black.
I guess I will need block off covers for the smog ports.

Tore the the bike all the way down ,re painted,powder coat stuff,bought new stuff as I was tearing it down to replace worn and broken stuff.
Now I just have to remember where it all goes. Pics will follow.

Thanks to all !

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  • 4TheKZ1000
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07 Jun 2014 19:19 #635718 by 4TheKZ1000
Replied by 4TheKZ1000 on topic re build 1980 KZ1000
These are nice block offs

store.valueweb.com/servlet/starrace/-str...M-COVER-BLOCK/Detail

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  • wireman
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07 Jun 2014 19:53 #635730 by wireman
Replied by wireman on topic re build 1980 KZ1000
use your original cams/sprockets to be safe
posting from deep under a non-descript barn in an undisclosed location southwest of Omaha.

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08 Jun 2014 04:12 #635750 by LarryC
Replied by LarryC on topic re build 1980 KZ1000

wireman wrote: use your original cams/sprockets to be safe


That's actually a valid point. Some 79 motors had 15 pin cranks with 30 tooth cam sprockets. 80's had 16/32.
Larry C.
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08 Jun 2014 07:29 - 08 Jun 2014 07:32 #635768 by 4TheKZ1000
Replied by 4TheKZ1000 on topic re build 1980 KZ1000

LarryC wrote:

wireman wrote: use your original cams/sprockets to be safe


LarryC wrote:
That's actually a valid point. Some 79 motors had 15 pin cranks with 30 tooth cam sprockets. 80's had 16/32.


____________________________________________________________________

Wow Larry and Jim agree on something........ :ohmy:
Last edit: 08 Jun 2014 07:32 by 4TheKZ1000.

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09 Jun 2014 16:24 #635953 by 771000LTD
Replied by 771000LTD on topic re build 1980 KZ1000
What about the teeth on the crank?

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