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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles



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Unread 05-21-2011, 11:33 AM   #1
Not Yet Wild
 
Join Date: Mar 2011
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Default G1 I think i give up!!

I have a 1981 or1982 g1 that will run if you put a little gas in the carb but then it has to be wide open and it will only idle it will not crank up. evey now and then it will crank up then dog back down. i checked the compression and it said about 119 psi i did pull the fuel line off at the carb side of the pump and cranked the cart over and it was kinda like a trickle im not sure how much gas that pump should pump out but im thinkin its not getting the amount of gas it needs. i have cleaned the carb checked all the fuel lines. is there any way the i can gravity feed this cart to get it running? i want to show my wife that i didnt buy a piece of junk i got 200 bucks in it i think if i put 300 more in it i can still make money on this cart.


Thanks for all your help.
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Unread 05-21-2011, 06:11 PM   #2
Redneck in Southside
 
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Join Date: Jul 2010
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Default Re: G1 I think i give up!!

NEVER give up ! just take a break, drink nap ect sounds like the fuel pumps not giving enough gas
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Unread 05-21-2011, 08:41 PM   #3
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Default Re: G1 I think i give up!!

Sounds like you need crank case seals! Not expensive...around $25
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Unread 05-22-2011, 12:55 AM   #4
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Default Re: G1 I think i give up!!

Hey yall thanks for the help i do see some oil on the clutch side so that must mean crank seals? I dont understand how that will keep it from runing? And do i have to split the block to put new seals in?



Thanks yall
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Unread 05-22-2011, 07:08 AM   #5
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Location: N/East Ga.
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Default Re: G1 I think i give up!!

There is a pressure line that comes from the block an goes to the bottom of the fuel pump. check this out it could be cracked.Easy check.Or sell it to me.
Grunt
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Unread 05-22-2011, 09:06 AM   #6
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Default Re: G1 I think i give up!!

Good lord no.... You don't have to split the case. Search the forum for crank case removal. You can do this with the motor still in the cart.
Good luck!
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Unread 05-22-2011, 12:07 PM   #7
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Default Re: G1 I think i give up!!

Also try this.

Fuel Pump
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Unread 05-23-2011, 05:50 AM   #8
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Join Date: Jun 2009
Location: Heluvabump,VT
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Default Re: G1 I think i give up!!

G1 oil seal tutorials:

G1 Oil Seal Replacement- Fan Side

Crank seal replacement is getting old!

I still gotta post one for the clutch side, but these should help you.
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Unread 05-23-2011, 11:57 AM   #9
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Location: West MI
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Default Re: G1 I think i give up!!

Lot of people put all new lines on the pump, a crack will cause it not to work. Cleaning the pump is next or rebuilding, or you can buy one they use on gokarts pretty cheap the little Mikuni for example. Also check the filter of course. It should spurt gas out on the starter no problem. Often bad seals require a lot of choke to start and bog a lot.

Also note these have a hard time getting the gas up if the tank is empty and you lose prime. Good idea to have half a tank or more, a full tank is nearly gravity feed.
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Unread 05-24-2011, 11:43 AM   #10
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Default Re: G1 I think i give up!!

Thank you all im going to get the crank seals and a fuel pump and that should do it and maybe replace the lines. Thanks you all are the best!!
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