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Troy Bilt 11A-426A711 w/ 6.5 B&S push mower

CTSteve's Avatar

Join Date: Apr 2011
Posts: 3

08-06-12, 02:36 PM   #1  
Troy Bilt 11A-426A711 w/ 6.5 B&S push mower

Troy Bilt 21" push mower will not start when hot. Starts cold and runs. When shut off to change bag mower will not start. Must let it cool down 5 mins then it starts.

6.5 hp Briggs Quantum 120000 Model Series
Family 6BSXS 1901VH 2006 model.

There are no carb adjustments.


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cheese's Avatar
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Join Date: Jul 2001
Posts: 16,567

08-06-12, 05:12 PM   #2  
This has the auto choke that is engaged by heat from the exhaust. The exhaust gets hot, which opens the choke. Then, when you shut it down, the exhaust is still hot and holding the choke open. Waiting until it cools enough to close a bit usually lets it start back up. If the carb has a bit of a restriction, this compounds the problem, so I suggest cleaning the carb and see if that helps.

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