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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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11-15-2011, 05:40 PM | #1 |
Not Yet Wild
Join Date: Nov 2011
Location: Loganville Ga
Posts: 13
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Fuel pump pressure
I have recently puchaced a Gas Yamaha G-14 and it is starving for fuel. I have replaced the fuel pump, carburator, fuel filter and flushed the fuel. I do have a pulse but seems very week and while turning the engine over it just drizzles out of the oulet fuel line. Is there a way to check pulse pressure? any sugestions?
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11-15-2011, 05:47 PM | #2 |
Gone Wild
Join Date: Jul 2008
Location: Reddick IL
Posts: 11,217
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Re: Fuel pump pressure
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11-17-2011, 02:58 PM | #3 |
Admin/Moderator
Join Date: Dec 2006
Location: Ohio
Posts: 18,010
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Re: Fuel pump pressure
Welcome to BGW!
Check the fuel lines and the pulse line for cracks or breaks. |
Ron
PLEASE VISIT Our Sponsors * BGW GEAR The Store The G2 Project * Swing Arm Drop & Repair * Geep1 Project |
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11-17-2011, 03:19 PM | #4 | |
Vegas modded 420
Join Date: Jun 2009
Location: West MI
Posts: 15,433
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Re: Fuel pump pressure
Quote:
The G9 had a valve on the pulse line to bleed it into the rocker cover, but I don't recall what newer engine has. It was like a pvc valve and you just cleaned it with carb clean, it was in a rubber boot near the cylinder. |
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11-17-2011, 06:39 PM | #5 |
Searching for The Way
Join Date: Oct 2009
Location: Medina, Ohio (NEOHIO)
Posts: 11,421
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Re: Fuel pump pressure
[/QUOTE] It was like a pvc valve and you just cleaned it with carb clean, it was in a rubber boot near the cylinder.[/QUOTE]
PVC = Poly Vinyl Chloride (plastic plumbing pipe) PCV = Positive Crankcase Ventillation (pcv valve) LOL! But who's keeping track....uh...well, my sorry ***. Sorry. But you are right about the possible leaks....ditto! |
12-14-2011, 08:13 PM | #6 |
Not Yet Wild
Join Date: Nov 2011
Location: Loganville Ga
Posts: 13
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Re: Fuel pump pressure
Well I checked everything and even put an electric fuel pump on. The fact is that it is getting enough fuel. I found that by removing the breather tube from the carb, its runs good but connected its starving for air. No restrictions in the breather assembly or filter. Doesnt make sense! Any ideas???
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12-15-2011, 06:30 AM | #7 |
Searching for The Way
Join Date: Oct 2009
Location: Medina, Ohio (NEOHIO)
Posts: 11,421
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Re: Fuel pump pressure
If your air filter is clean and all the tubing/hoses are in the right place, then I'd say you have a carb issue. Take the carb off and remove the bowl, inspect for dirt/gunk. Clean with tooth brush and carb cleaner and/or soak overnight in soapy water. Then rinse well and blow out water and let air dry. Reassemble and test.
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12-15-2011, 10:51 AM | #8 |
Not Yet Wild
Join Date: Nov 2011
Location: Loganville Ga
Posts: 13
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Re: Fuel pump pressure
The carb is new
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12-15-2011, 06:30 PM | #9 |
Not Yet Wild
Join Date: Nov 2011
Location: Loganville Ga
Posts: 13
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Re: Fuel pump pressure
Started at the basics, got fuel, air, spark but have only 85psi of compression. What is normal dry compression on a G14?
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12-15-2011, 06:45 PM | #10 |
Sometime's............
Join Date: Oct 2007
Location: Tacoma Washington
Posts: 11,868
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Re: Fuel pump pressure
At wide open throttle,with a good battery turning it over well... standard-178 psi/minimum-142 psi.
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