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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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05-26-2010, 10:58 PM | #1 |
Not Yet Wild
Join Date: Jul 2009
Location: Fayette Co. WV
Posts: 60
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Help G9 driving me crazy
I have been working on a g9. For a while now, when you start it it will run for a while,then it will start bogging down and eventually stop, sometimes you can let off the throttle and let it stop completely and it will start back up. You can adjust the pilot screw on the carb and it will take back off.and run good for a while. That is why I changed the carb.it did the same thing with the old carb. I have put a new coil on it, new carb, adjusted valves, changed fuel lines, vacuum lines, sealed air box ,tried different fuel pump, different ignitor, spark plug, changed fuel filters, added a ground from the negative terminal to the frame. I am at my wits end. Any help you guys could give me would be appreciated. Thanks in advance.
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05-27-2010, 12:16 AM | #2 |
G8 Specialist
Join Date: Jun 2009
Location: Phoenix
Posts: 7,799
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Re: Help G9 driving me crazy
I would start to suspect elect. The kill switch under the throttle pedel, the key switch, long shot, but selonoid maybe, or just a broken wire.
The big guys will be by shortly. |
05-27-2010, 02:42 AM | #3 |
Gone Crazy
Join Date: Jan 2007
Location: Chesterfield, Va
Posts: 6,021
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Re: Help G9 driving me crazy
How long does it run before it bogs down?
Will it restart immediatly or how long do you have to wait? Does it shut down again after it restarts? As soon as it stops pull the plug wire and stick it on a spare plug to see if you truly do have spark. |
05-27-2010, 06:25 AM | #4 |
Gone Wild
Join Date: Dec 2009
Location: Thomasville, GA
Posts: 211
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Re: Help G9 driving me crazy
I dont know much about those gas units but does the gas cap have to be vented? It's just a thought with what you have explained how its acting.
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05-27-2010, 06:33 AM | #5 |
Raised by coyotes
Join Date: Nov 2008
Location: Central Texas
Posts: 5,658
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Re: Help G9 driving me crazy
Did you change (or remove) the fuel filter inside the gas tank?
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05-27-2010, 08:47 AM | #6 | |
Not Yet Wild
Join Date: Jul 2009
Location: Fayette Co. WV
Posts: 60
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Re: Help G9 driving me crazy
Quote:
Crash it varies on how long. At one point I thought I had it fixed rode it about an hour no problems. Took it to the lady; she rode it about 20 mins and it started the same thing. It actually never quits running, just starts missing and running real bad. I can turn the adjustment screw on the carbuerator (for the air mixture) about an 1/8 of a turn either way and it will start running well again. (Even with the new carb.) Flint Rock - Yes I did. Thanks, Earl |
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05-27-2010, 10:42 PM | #7 |
G8 Specialist
Join Date: Jun 2009
Location: Phoenix
Posts: 7,799
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Re: Help G9 driving me crazy
Sounds like an air leak to me. check the plastic manifold spacer between the carb and the head for cracks. May need to replace it, about $18.
Also follow Crash and Flint's lead. They are the Heavys on the sight, I'm the light weight here. I know cars but not golf cars! Good luck, Mike |
05-27-2010, 11:37 PM | #8 | |
Gone Crazy
Join Date: Jan 2007
Location: Chesterfield, Va
Posts: 6,021
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Re: Help G9 driving me crazy
Quote:
HEY! HEY!, I'll have you know I have lost 18 lbs! getting buff for the summer |
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05-27-2010, 11:43 PM | #9 |
G8 Specialist
Join Date: Jun 2009
Location: Phoenix
Posts: 7,799
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Re: Help G9 driving me crazy
Ya, I know, but your still the only one I know thats been in 8th grade... so you know Yamaha's
Am i correct on the manifold spacer cracked? |
05-28-2010, 12:12 AM | #10 |
Not Yet Wild
Join Date: Jul 2009
Location: Fayette Co. WV
Posts: 60
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Re: Help G9 driving me crazy
I checked that when I put the new carb on. I appreciate the suggestion though.
Thanks Earl |
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