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02-01-2016, 03:09 PM | #1 |
Junior Member
Join Date: Oct 2012
Posts: 23
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Marvel Carb Leak
I have a Marvel carb and it is leaking out of the GAV entry. I have rebuilt the shut off and it does not leak. But the carb leaks some. Is the GAV supposed to seal when totally closed or do I have the float set wrong. Any advice is appreciated.
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02-01-2016, 03:19 PM | #2 |
Senior Member
Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: Marvel Carb Leak
Could be the float is too high, or the casting might have a crack at the GAV threads.
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02-01-2016, 03:34 PM | #3 |
Senior Member
Join Date: May 2010
Location: Southern California
Posts: 3,131
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Re: Marvel Carb Leak
The GAV boss should be a pipe thread so as to seal off. I use a small amount of pipe dope on the threads. Quite often someone in the past may have run a regular tap through it which will destroy the sealing capability.
Tom Endy |
02-01-2016, 04:17 PM | #4 |
Junior Member
Join Date: Oct 2012
Posts: 23
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Re: Marvel Carb Leak
It appears that the leak is not at the threads but where the shaft exits the brass fitting.
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02-01-2016, 04:19 PM | #5 |
Junior Member
Join Date: Oct 2012
Posts: 23
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Re: Marvel Carb Leak
Is there a procedure for checking the float position and adjusting if necessary?
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02-01-2016, 06:25 PM | #6 |
Senior Member
Join Date: Jun 2015
Posts: 1,414
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Re: Marvel Carb Leak
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