G2 Carb problem lacking power

tennessee cart · 08-01-2008, 06:22 PM

I am new to carts and engine repair as a whole. My G2 engine was running but was not producing enough power to move. I took my carb apart and cleaned it,(rebuilt?), replaced fuel and air filters, and spark plug. In a nut shell, I did a tune up. When I finished up it ran again so I took it around the neighborhood a few times. It ran fine at first and then it started to seem that it was losing power. Just before getting into the garage it was back to not moving. I pushed it into the garage and adjusted the gas air mixture needle and it started to rev up again. So my question is, what do I need to look at fixing if this is going to be a continuing problem? Thanks for any help.

rusty · 08-02-2008, 01:45 AM

Welcome to the forum tennessee cart....................

Someone should be along anytime to help.

Yamaha4life · 08-02-2008, 11:38 AM

One problem that occurs with alot of Yamaha carts is the air box will not get a air tight seal. This could cause your symptoms. I'm no expert

, but just something to think about.

TheNewGuy · 08-04-2008, 10:11 AM

Yep, make the air box is sealed tight.

jshaw55 · 01-16-2009, 09:31 AM

mine has the same problem where is the air box

craig tn · 01-16-2009, 10:15 AM

Airbox or the plastic intake make be cracked.

jshaw55 · 01-16-2009, 10:25 AM

wher do i find the airbox and is there a online repair manual

craig tn · 01-16-2009, 10:55 AM

Dont think there is a online repair manual. Air box located on left side of motor in front of the clutch. Has the air filter in it. G-2-9 air box have a history of warping and sucking air. If it gets to much air will not run well. Does the cart run better when choke is pulled?

tew45 · 01-16-2009, 12:10 PM

I removed the air box and just left the filter attached then drilled the main jet .043 and attached the foot feed directly to the carb eliminating the governor.I t works great. I also have a G2/G9 service manual and other info on CD for $5.00 cash or $5.50 Paypal

jshaw55 · 01-16-2009, 08:34 PM

i took the air box off and it is not sealed good will replace tomorrow and try.

08-01-2008, 06:22 PM	#1
tennessee cart Not Yet Wild Join Date: Aug 2008 Posts: 6	G2 Carb problem lacking power I am new to carts and engine repair as a whole. My G2 engine was running but was not producing enough power to move. I took my carb apart and cleaned it,(rebuilt?), replaced fuel and air filters, and spark plug. In a nut shell, I did a tune up. When I finished up it ran again so I took it around the neighborhood a few times. It ran fine at first and then it started to seem that it was losing power. Just before getting into the garage it was back to not moving. I pushed it into the garage and adjusted the gas air mixture needle and it started to rev up again. So my question is, what do I need to look at fixing if this is going to be a continuing problem? Thanks for any help.
tennessee cart Not Yet Wild Join Date: Aug 2008 Posts: 6

08-02-2008, 01:45 AM	#2
rusty Golf Cart Photographer Join Date: Jan 2007 Location: Wichita Falls Texas - My Ride 2010 Club Car Posts: 6,238	Re: G2 Carb problem lacking power Welcome to the forum tennessee cart.................... Someone should be along anytime to help.

08-02-2008, 11:38 AM	#3
Yamaha4life The Overposter! Join Date: Nov 2007 Location: Dixie Posts: 1,586	Re: G2 Carb problem lacking power One problem that occurs with alot of Yamaha carts is the air box will not get a air tight seal. This could cause your symptoms. I'm no expert, but just something to think about.

08-04-2008, 10:11 AM	#4
TheNewGuy Admin/Moderator Join Date: Dec 2006 Location: Ohio Posts: 15,567	Re: G2 Carb problem lacking power Yep, make the air box is sealed tight.
	Ron PLEASE VISIT Our Sponsors * BGW GEAR The Store The G2 Project * Swing Arm Drop & Repair * Geep1 Project

01-16-2009, 09:31 AM	#5
jshaw55 Not Yet Wild Join Date: Jan 2009 Posts: 13	Re: G2 Carb problem lacking power mine has the same problem where is the air box
jshaw55 Not Yet Wild Join Date: Jan 2009 Posts: 13

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01-16-2009, 10:15 AM	#6
craig tn Gone Wild Join Date: Jan 2008 Location: Covington, TN Posts: 1,942	Re: G2 Carb problem lacking power Airbox or the plastic intake make be cracked.

01-16-2009, 10:25 AM	#7
jshaw55 Not Yet Wild Join Date: Jan 2009 Posts: 13	Re: G2 Carb problem lacking power wher do i find the airbox and is there a online repair manual
jshaw55 Not Yet Wild Join Date: Jan 2009 Posts: 13

01-16-2009, 10:55 AM	#8
craig tn Gone Wild Join Date: Jan 2008 Location: Covington, TN Posts: 1,942	Re: G2 Carb problem lacking power Dont think there is a online repair manual. Air box located on left side of motor in front of the clutch. Has the air filter in it. G-2-9 air box have a history of warping and sucking air. If it gets to much air will not run well. Does the cart run better when choke is pulled?

01-16-2009, 12:10 PM	#9
tew45 Gone Wild Join Date: Aug 2007 Location: North Texas Posts: 2,248	Re: G2 Carb problem lacking power I removed the air box and just left the filter attached then drilled the main jet .043 and attached the foot feed directly to the carb eliminating the governor.I t works great. I also have a G2/G9 service manual and other info on CD for $5.00 cash or $5.50 Paypal

01-16-2009, 08:34 PM	#10
jshaw55 Not Yet Wild Join Date: Jan 2009 Posts: 13	Re: G2 Carb problem lacking power i took the air box off and it is not sealed good will replace tomorrow and try.
jshaw55 Not Yet Wild Join Date: Jan 2009 Posts: 13

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