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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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12-14-2009, 03:02 PM | #1 |
Not Yet Wild
Join Date: Dec 2009
Location: Mooresville NC
Posts: 2
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G9 check fuel pump check valve?
My fuel pump will not work unless I bypass the check valve. When I blow threw the valve it seems to work only one way like it should. What would it do to run it without.
Thanks Rob Bailey |
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12-14-2009, 03:21 PM | #2 |
gone yamaha!
Join Date: Sep 2008
Location: ontario, canada
Posts: 1,424
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Re: G9 check fuel pump check valve?
on my g9 i was missing the check vale so i plugged it and the cart run fine and still got oil to the valves. (its part of the oil delivery system)
post a pic of the pump if it is the stock one it should run if the check valve works. remember when you test it you are blowing away from the valve cover. |
12-14-2009, 11:13 PM | #3 |
Not Yet Wild
Join Date: Dec 2009
Location: Mooresville NC
Posts: 2
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Re: G9 check fuel pump check valve?
I will try to post some pics tomorrow. I Replaced the pump with a oem pump I also replaced the fuel filter cleaned the carb good and replaced the piston rings. It runs great without the check valve. What is the correct way to set the valve lash?
Thanks Rob |
12-15-2009, 08:31 AM | #4 |
Gone Crazy
Join Date: Jan 2007
Location: Chesterfield, Va
Posts: 6,021
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Re: G9 check fuel pump check valve?
Rotate piston to top dead center and adjust both of the valves to .004 cold.
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12-15-2009, 03:14 PM | #5 |
gone yamaha!
Join Date: Sep 2008
Location: ontario, canada
Posts: 1,424
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Re: G9 check fuel pump check valve?
hit the nail on the head crash!
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