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G carburetor problem

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Matt

02-25-2002 08:18:15




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Last season I had a terrible time with my G carburetor. I was never able to keep gas from leaking thru the top and bottom half of the unit. I installed a new carb kit to no avail. Float valve is in good condition. Fuel mixing seems to be a problem as well. Is this a case for remachining the face between the two halves? Is there anyone out there to whom I can send the unit and have it assessed? Are there any mechanics in SE Wisconsin that are interested in working on a G that is going to do some serious field work? Thanks- Matt

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Denny

02-27-2002 12:27:00




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 Re: G carburetor problem in reply to Matt, 02-25-2002 08:18:15  
I'm inclined to agree with some of the suggestions. I had a carb that acted exactly like yours does. It plagued me for months. I finally discovered that the needle was not totally free to move within the seat and would occasionally hang up and not close. Didn't do it all the time. The inside walls looked clean and the needle looked good. They simply weren't smooth enough. I solved the problem by polishing the needle with Brasso. I polished the cylinder for the needle with Brasso as well by using a QTip swab. I worked it for quite a while until the inside looked like a mirror. When I reassembled, it worked fine and hasn't had a problem since. Some rebuilding kits don't replace the needle and seat. I suppose that it is possible for a new one not to be slippery enough as well.

I definitely would not machine the halves. I don't think that would change anything but increase the risk of getting machine particles where they shouldn't be.

And the suggestion about checking the float is excellent as well though when that has happened to me, I couldn't get the blame thing to run at all.

Good luck,

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Ira

02-25-2002 17:59:18




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 Re: G carburetor problem in reply to Matt, 02-25-2002 08:18:15  
Just had mine rebuilt by the Orange Wizard in Maryland.Greatly improved from before.He can be reached at orangewizard@webtv.net



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Larry

02-25-2002 17:23:31




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 Re: G carburetor problem in reply to Matt, 02-25-2002 08:18:15  
Your float isn't completely lifting the float pin.

No need to machine the halves.

I sent mine to Denny's Carb Shop (in Ohio, I think) for rebuilding. It is expensive, but saves a lot of aggravation.



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Larry

02-25-2002 17:21:57




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 Re: G carburetor problem in reply to Matt, 02-25-2002 08:18:15  
Your float isn't completely lifting the float pin.

No need to machine the halves.

I sent mine to Denny's Carb Shop (in Ohio, I think) for rebuilding. It is expensive, but saves a lot of aggravation.



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Tom

02-26-2002 07:24:22




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 Re: Re: G carburetor problem in reply to Larry, 02-25-2002 17:21:57  
your float has a hole in it.



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