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| Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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05-28-2008, 04:19 PM
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#1 |
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Not Yet Wild
Join Date: May 2008
Posts: 2
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Cart alternates from running fast to slow.
I have an old Yamaha gas cart and I am ashamed to say I don't know the model. G-3 I think. Anyway it alternates from runnning very fast to so slow it will barely go. It changes suddenly without any advance warning, just like someone flipped a switch. I have had the engine and clutch rebuilt recently and had a carberator cleaning. Nothing seems to work. Any help would be appreciated.
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05-31-2008, 10:23 PM
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#2 |
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Golf Cart Photographer
Join Date: Jan 2007
Location: Wichita Falls Texas - My Ride 2010 Club Car
Posts: 6,236
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Re: Cart alternates from running fast to slow.
Welcome to the forum heavyd..........................
Someone will be with you soon.................... |
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06-01-2008, 01:06 AM
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#3 |
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The Overposter!
Join Date: Nov 2007
Location: Dixie
Posts: 1,586
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Re: Cart alternates from running fast to slow.
As far as my knowledge goes (very little haha) there is no such thing as a G3. It probably either a G1 or a G2.
Does the cart require mixing of oil and gas to operate? That means it is a G1. Does it run off of strictly gas? That means its a 4 stroke and more than likely a G2. |
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06-01-2008, 05:36 AM
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#4 |
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Happy Carting
 Join Date: Dec 2007
Location: Southern California
Posts: 73,408
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Re: Cart alternates from running fast to slow.
WELCOME TO BGW !!!
I would suspect a carb problem first....take it back to the guy who recently cleaned it 4 a rebuild. |
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06-01-2008, 07:39 AM
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#5 |
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Not Yet Wild
Join Date: May 2008
Posts: 2
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Re: Cart alternates from running fast to slow.
Thanks for the input. It runs on straight gas. I bought it used without any paperwork so again I was guessing at the model #. This problem is driving me nuts because it happens so suddenly and is sporadic. I will try to have the carb looked at again.
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06-01-2008, 08:08 AM
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#6 |
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Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,408
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Re: Cart alternates from running fast to slow.
Make sure the fuel and the filter are fresh...
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06-01-2008, 09:53 AM
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#7 |
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The Overposter!
Join Date: Nov 2007
Location: Dixie
Posts: 1,586
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Re: Cart alternates from running fast to slow.
Does it look similar to this one? This is a G2
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06-02-2008, 01:46 PM
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#8 |
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Admin/Moderator
Join Date: Dec 2006
Location: Ohio
Posts: 18,047
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Re: Cart alternates from running fast to slow.
Yamaha G3.
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Ron
 PLEASE VISIT Our Sponsors * BGW GEAR The Store The G2 Project * Swing Arm Drop & Repair * Geep1 Project |
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06-02-2008, 03:41 PM
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#9 |
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Admin
Join Date: Dec 2006
Location: TN
Posts: 101,858
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Re: Cart alternates from running fast to slow.
When it cuts down on power is it more like you let off the gas pedal a little or like you just shut off the engine? Does it backfire or feel like the engine is kicking in/out? I would start with tune up items first.
Is the engine still reving when it cuts out? If so, it may be something as simple as a belt slipping. |
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06-02-2008, 05:29 PM
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#10 | |
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The Overposter!
Join Date: Nov 2007
Location: Dixie
Posts: 1,586
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Re: Cart alternates from running fast to slow.
Quote:
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