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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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08-21-2013, 06:54 PM | #21 |
Vegas modded 420
Join Date: Jun 2009
Location: West MI
Posts: 15,445
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Re: troubleshooting a G1 that won't fire
If the oil injection works it takes a long time to prime as it pumps very little oil. IIRC you can pressurize the muffler hose to make it pump full rate with a vacuum pump. It runs something like 100:1 until you gas it and it senses pressure in the exhaust, then it puts more oil in.
We always washed out the case with gas or diesel, and poured it out upside down, repeat. Rinse it with premix when ready to put it back together, I just mixed a small amount (a cup?) at 4:1 or something to oil it up and shook it around in there. Then put it back together. |
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08-23-2013, 07:02 PM | #22 |
Not Yet Wild
Join Date: Jul 2013
Location: east central Indiana
Posts: 17
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Re: troubleshooting a G1 that won't fire
Today I took a long ride in the old G1, and it ran great. I just have one more question. My fuel pump will lift fuel up into the carb, but it won't pull it from the tank down to the pump itself. Is that normal? I forced a little fuel into the filter and from there it seemed to siphon enough fuel from the tank to keep it running. What do I need to do to insure a good siphon action from the fuel tank to the pump
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08-24-2013, 08:08 AM | #23 | |
Searching for The Way
Join Date: Oct 2009
Location: Medina, Ohio (NEOHIO)
Posts: 11,441
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Re: troubleshooting a G1 that won't fire
Quote:
If you do all that and still have a problem....replace fuel pump. You can get a cheap one at your local tractor dealer or on fleabay. |
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08-24-2013, 11:14 AM | #24 |
Not Yet Wild
Join Date: Jul 2013
Location: east central Indiana
Posts: 17
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Re: troubleshooting a G1 that won't fire
I wish that I had removed it and cleaned it while I had the engine out, but I didn't. It appears to me that you can't get to the 2 mounting screws while the engine is in place, so I might have to remove it again. I did replace the pulse hose. I examined all of the hoses on the suction side of the pump and replaced all of the clamps. I didn't replace all of the lines though.
My pump mounting screws are phillips head and the bottom one is almost impossible to get to. Do I need to remove the engine to get the screws out, or am I just acting stupid?? |
08-24-2013, 02:53 PM | #25 | |
Getting Wild
Join Date: Mar 2013
Posts: 116
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Re: troubleshooting a G1 that won't fire
Quote:
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08-24-2013, 06:06 PM | #26 |
Not Yet Wild
Join Date: Jul 2013
Location: east central Indiana
Posts: 17
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Re: troubleshooting a G1 that won't fire
Those sound like great ideas. I will try them before I remove the pump.
Thanks |
09-02-2013, 05:24 PM | #27 |
Not Yet Wild
Join Date: Jul 2013
Location: east central Indiana
Posts: 17
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Re: troubleshooting a G1 that won't fire
I went ahead and ordered a new fuel pump and installed it. I also re-plumbed everything back to the fuel tank. Everything is fine now, the old G1 starts easily and runs great. This site has helped me a lot, and I'm appreciative.
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09-05-2013, 02:03 PM | #28 |
Searching for The Way
Join Date: Oct 2009
Location: Medina, Ohio (NEOHIO)
Posts: 11,441
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Re: troubleshooting a G1 that won't fire
Hey glad we could fix it for you! LOL
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