Craftsman lt 2000 stall? or quitting?

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  #1  
Old 06-13-09, 12:20 PM
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Craftsman lt 2000 stall? or quitting?

My craftsman Rideing lawn mower keeps quitting. I don't really call it a stall because it does spit or sputter. It has a B&S 18ohv engine. Sometimes I can cut the grass and it happens maybe a half hour after, but once it does it, it usually keeps qutting between 1 and 20 mins. Wait a sec. or two, turn the key, and it starts right back up. Sometimes, it goes to die and it recovers at very low rpms and ramps back up until it dies.

already replaced- spark plug, fuel lines, fuel filter, air filter, oil change and oil filter, cleaned carb.
 
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Old 06-13-09, 08:44 PM
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Try loosening the gas cap when it starts messing up and see if it straightens out. Could be a clogged cap vent.
 
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Old 06-13-09, 08:48 PM
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I have made sure the hole on the top is clear, can it get clogged internally?
 
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Old 06-14-09, 08:46 PM
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Yes, depending on the cap style.
 
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Old 06-28-09, 07:51 AM
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I took my tractor in for service. It turns out it is the carb. It has a nikki carb that from what I hear is junk. But you can only replace it with a nikki. Carb is on back order. 2-3 weeks.

Something was said about the gas is eating up carbs. Is this true? Something about the mixture?
If this is true, is there an additive you can use to make it less toxic to the engine?
 
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Old 06-28-09, 03:03 PM
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It is not the gas itself it would be the Ethonal added to the gas. Most states are now using E-10, 10% ethonal. The gas pumps will say it on them if they are using 10% Ethonal mix.
Yes, ethonal can eat up metal & rubber carb parts. It can also eat the rubber gas hoses. Make sure that gas hose that you may buy is resistant to ethonal. For now the only product out there that helps somewhat is Marine Stabil. Marine Stabil is made especially for ethonal. Regular Stabil is not yet formualted for ethonal.
Ethonal actuslly attracts water, so use Isyprople drygas, too. (2 oz. per gallon.).
 
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