1977 750B Twin. Vacuum Petcock or NO

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21 Mar 2018 17:37 #780584 by 650Dude
1977 750B Twin. Vacuum Petcock or NO was created by 650Dude
on my 77 650 I dont have to remember to turn the petcock off. It operates by vacuum.

Does anyone know off hand if the 77 750B TWIN is vacuum also? Im out of town and left it in the "on" position....
1977 Kawasaki KZ650B
1977 Kawasaki KZ750 Twin

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  • Scirocco
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  • Never change a running system
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21 Mar 2018 18:02 - 21 Mar 2018 18:03 #780589 by Scirocco
Replied by Scirocco on topic 1977 750B Twin. Vacuum Petcock or NO
If your needle valves are leaking fuel you need an oil change when you are back in town.

My 1975 Z 1 B 900 Project

www.kzrider.com/forum/11-projects/605133...ears-deep-sleep-mode
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Last edit: 21 Mar 2018 18:03 by Scirocco.

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21 Mar 2018 19:05 #780593 by 650Dude
Replied by 650Dude on topic 1977 750B Twin. Vacuum Petcock or NO
So I assume the answer to whether it is vacuum operated is "no?"

The 650 manual reads just like the excerpt you posted, but it IS vacuum operated though the manual doesnt make that clear.
1977 Kawasaki KZ650B
1977 Kawasaki KZ750 Twin

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22 Mar 2018 05:04 #780608 by Scirocco
Replied by Scirocco on topic 1977 750B Twin. Vacuum Petcock or NO
Your Petcock is not vacuum operated, he has NO diaphragm.
My 1975 Z 1 B 900 Project

www.kzrider.com/forum/11-projects/605133...ears-deep-sleep-mode

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22 Mar 2018 11:18 - 22 Mar 2018 11:25 #780626 by Patton
Replied by Patton on topic 1977 750B Twin. Vacuum Petcock or NO
www.kawasaki.com/Parts/PartsDiagram/144023/1977/KZ650-B1

www.partzilla.com/catalog/kawasaki/motor...m-kz650-c1/fuel-tank

www.kawasaki.com/Parts/PartsDiagram/143402/1977/KZ750-B2

www.partzilla.com/catalog/kawasaki/motor...7/kz750-b2/fuel-tank

Good Fortune! :)
1973 Z1
KZ900 LTD
Last edit: 22 Mar 2018 11:25 by Patton.

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