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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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09-04-2016, 03:52 PM | #1 |
Not Yet Wild
Join Date: Sep 2016
Location: Tennessee
Posts: 1
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G29 carb adjustment
Bought a fleet use 2012. Seller installed a new carb. Carb loads up fuel and back-fires upon decel. Is there an air fuel adjustment? spec?
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09-04-2016, 04:35 PM | #2 |
maintaining a low profile
Join Date: Oct 2009
Location: SW Virginia USA
Posts: 6,313
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Re: G29 carb adjustment
There's only 1 adjustment--#6 in the pic. Carefully remove the plastic limiting cap. Start at 1 1/2 turns out from fully closed.
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09-04-2016, 06:29 PM | #3 |
Gone Wild
Join Date: Mar 2015
Posts: 461
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Re: G29 carb adjustment
might check if butterfly closes all the way
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09-04-2016, 08:12 PM | #4 |
Gone Wild
Join Date: May 2015
Location: Central Florida
Posts: 2,114
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Re: G29 carb adjustment
Your problem is not an adjustment.....
Such a new cart needed a carb? First red flag Is it an aftermarket carb, if so, take it off and throw it in the trash. Find last owner and ask why they changed the carb. If its the same issue your having, chances are better it is a fuel pump even as rare as that is. |
09-04-2016, 11:27 PM | #5 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: G29 carb adjustment
Top 2 causes of yamaha backfire (in my experience).. 1- throttle blade not fully closing. 2- exhaust leak.
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09-05-2016, 05:43 PM | #6 |
Gone Wild
Join Date: Oct 2012
Posts: 1,733
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Re: G29 carb adjustment
Find out is the carb is a genuine mikuni brand carb 250+$ or the Chinese 35$ clones.
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09-05-2016, 07:59 PM | #7 |
Not Yet Wild
Join Date: Sep 2015
Posts: 25
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Re: G29 carb adjustment
Bend the idle throttle tab so it doesnt hit the carb. Mind did same thing and I checked everything everyone says to this is the only thing that solved mine.
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07-27-2021, 05:12 PM | #8 |
Not Yet Wild
Join Date: Jul 2021
Posts: 1
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Re: G29 carb adjustment
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carb back-fires |
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