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| Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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06-24-2021, 07:47 AM
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#1 |
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Not Yet Wild
Join Date: Jun 2021
Posts: 2
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Vacuum problem
I have a 1990 Yamaha g2 engine. I have a question about the valve vacuum control. Does this valve control the fuel pump?
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06-24-2021, 08:48 AM
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#2 |
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Grumpy Old Guy
Join Date: Jun 2014
Location: SEMO
Posts: 2,706
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Re: Vacuum problem
Welcome!
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06-26-2021, 10:45 AM
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#3 |
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Searching for The Way
 Join Date: Oct 2009
Location: Medina, Ohio (NEOHIO)
Posts: 11,441
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Re: Vacuum problem
I'm not sure what vacuum valve you're referring to, maybe post a photo?
The fuel pump is controlled by the vacuum pulse from the engine cycles. Are you not sure where the vacuum pulse hose connects to? On the fuel pump there should be 3 hoses. *one hose sucks fuel from the fuel tank *one hose pushes fuel to the carburetor *one hose connects to the vacuum port on the engine. |
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| g2 engine, yamaha |
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