KZR's Bikes of the Month for 2024

Petcock ---- KZ400 Deluxe

  • nebraskajeff
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17 Jul 2022 20:26 #870511 by nebraskajeff
Petcock ---- KZ400 Deluxe was created by nebraskajeff
1978 Deluxe, kz400.  Can someone properly teach me up on the petcock?  I bought bike and no petcock.  Is this suppose to be a vacuum or non vacuum type?  I bought what was suppose to be a replacement on Amazon and it has two outlets but both are fuel outlets?  Why?  I don't think this is correct but maybe someone can advise.  Thanks.

PS:  The Deluxe model in 78' uses the bowl in the bottom type petcock.

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18 Jul 2022 05:46 - 18 Jul 2022 05:47 #870527 by TexasKZ
Replied by TexasKZ on topic Petcock ---- KZ400 Deluxe
The KZ400 A2 Deluxe uses a manual (non vacuum),  single outlet fuel valve. 

www.partzilla.com/catalog/kawasaki/motor...8/kz400-a2/fuel-tank

1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24
Last edit: 18 Jul 2022 05:47 by TexasKZ.
The following user(s) said Thank You: nebraskajeff

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18 Jul 2022 05:57 #870529 by TexasKZ
Replied by TexasKZ on topic Petcock ---- KZ400 Deluxe
If you can measure the center to center distance between the mounting screws and the length and width of the opening in the fuel tank, you may be able to find a suitable replacement from another make and model. If you are feeling a little sporty, you may be able to score a sexy aftermarket valve that will fit —
www.kwick.biz/product/worlds-lightest-ma...-petcock-for-the-zrx
 

1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24

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18 Jul 2022 08:34 #870544 by nebraskajeff
Replied by nebraskajeff on topic Petcock ---- KZ400 Deluxe
Yes, I have seen that picture too at cmsnl , and it looks like a single, but if you look further you get this picture of the back.

This other picture calls the first pic into question.
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18 Jul 2022 08:35 #870546 by nebraskajeff
Replied by nebraskajeff on topic Petcock ---- KZ400 Deluxe

If you can measure the center to center distance between the mounting screws and the length and width of the opening in the fuel tank, you may be able to find a suitable replacement from another make and model. If you are feeling a little sporty, you may be able to score a sexy aftermarket valve that will fit —
www.kwick.biz/product/worlds-lightest-ma...-petcock-for-the-zrx

This is one of those 9.95 Ebay petcocks.  Obviously its a joke :)
 

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18 Jul 2022 14:06 - 18 Jul 2022 14:09 #870568 by TexasKZ
Replied by TexasKZ on topic Petcock ---- KZ400 Deluxe

Yes, I have seen that picture too at cmsnl , and it looks like a single, but if you look further you get this picture of the back.

This other picture calls the first pic into question.
interesting. If your carbs have a fuel T between them (#27 in the diagram at the link), then you can have only one fuel line from the petcock. 

www.partzilla.com/catalog/kawasaki/motor...uretor-assy-kz400-a2

Looks like the earlier style carbs on the KZ400A1 used dual fuel lines from the petcock.

www.partzilla.com/catalog/kawasaki/motor...uretor-assy-kz400-a1

1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24
Last edit: 18 Jul 2022 14:09 by TexasKZ.
The following user(s) said Thank You: nebraskajeff

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18 Jul 2022 19:00 - 18 Jul 2022 19:46 #870587 by nebraskajeff
Replied by nebraskajeff on topic Petcock ---- KZ400 Deluxe
I dug through my parts I got with this bike and found the petcock, in pieces, and it is indeed a single outlet.  The rubber inside washer was gone and so is the petcock to tank gasket.  The inside washer apparently they don't make anymore.  I guess I'll buy a new cheapo off Ebay and see if it does the job

EDIT:  All the ones on Ebay are actually two outlet so might as well try the one I got from Amazon, just cap off one spigot
Last edit: 18 Jul 2022 19:46 by nebraskajeff.

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