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Reload this Page leaky carb
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  #11  
Old 11-21-2010, 03:08 PM
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Matt G. Matt G. is offline
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Originally Posted by Mizar N68X View Post
Why don't my fuel shut off work?
Even when I remember to shut the fuel off, the tank is empty next time I try to start them and I can see where fuel leaked down the side of the engine.
If it's leaking gas everywhere, you have problems other than the shutoff valve. If the shutoff is left on, fuel should not be leaking out of the carb. Have you rebuilt your carb and adjusted the float properly?
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  #12  
Old 11-21-2010, 03:32 PM
Mizar N68X Mizar N68X is offline
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Hello Matt,
Yes I agree with your statement.
No I have not rebuilt this carb.
But the question is... How do I fix the shutoff?
Or do I just need to replace the sediment bowl assy.?
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  #13  
Old 11-21-2010, 03:57 PM
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Is the shutoff leaking externally, or all of the gas coming out of the carb somewhere? If it's coming out of the carb with the shutoff off, then I'd say the needle in the shutoff is worn out and you just have to replace the whole thing. Keep the old one for spare parts, and if you get an aftermarket one, buy a Kohler gasket for the bowl, as the gasket that comes with the aftermarket ones is crap.
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  #14  
Old 11-21-2010, 04:30 PM
Merk Merk is offline
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Is the fuel tank leaking around the area where the shut off valve is located?
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  #15  
Old 11-21-2010, 04:30 PM
Mizar N68X Mizar N68X is offline
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Is the shutoff leaking externally, or all of the gas coming out of the carb somewhere? If it's coming out of the carb with the shutoff off, then I'd say the needle in the shutoff is worn out and you just have to replace the whole thing. Keep the old one for spare parts, and if you get an aftermarket one, buy a Kohler gasket for the bowl, as the gasket that comes with the aftermarket ones is crap.
That is GREAT advise Matt.

So you think the needle has a groove and wont shut off?
Or the seat is worn out? Or both?
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  #16  
Old 11-21-2010, 05:19 PM
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It's hard to say. The seat is machined into the body of the sediment bowl, so there's no replaceable seat, and the needle is brass. They're probably both galled up. If you take it apart you will probably see a bunch of scoring on the needle tip. The problem with having a shutoff before the fuel filter is that all the junk in the gas goes through the shutoff valve before getting filtered, and gets ground into the shutoff needle every time you turn off the gas.
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  #17  
Old 11-21-2010, 05:50 PM
Mizar N68X Mizar N68X is offline
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WOW! I never thought about the derbis getting in there but it makes perfect
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  #18  
Old 11-21-2010, 10:15 PM
Yosemite Sam Yosemite Sam is offline
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I'll have to check out Matt's website, to see if he has a "how to" manual, on women...
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More IH Cub Cadet Parts RIGHT HERE
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  #19  
Old 11-21-2010, 11:05 PM
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No, I'm still trying to figure those out, myself.



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  #20  
Old 11-22-2010, 06:26 AM
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JaysNJcub127 JaysNJcub127 is offline
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No, I'm still trying to figure those out, myself.
you just have to learn a few quick phrases.....

"yes dear"
"no problem"
"no that shirt looks fine"

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