Question about Craftsman 20 hp 42 in. Deck Yard Tractor

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Wont stay running

Engine only starts with full choke and then dies

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  • highmo2001 Sep 29, 2008

    thank you mower runs perfect now

  • froemjose Oct 21, 2008


    • when push brake/clutch pedal to start, engine will run but will shut off when releasing pedal

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Hello i think your slow needle jet on the carb is clogged to verify this put few drops of fuel in the carb inlet and try and start if it starts then bobs your uncle your problem is solved just clean the jets . this problem occurs if your engine hasnt been used for a while or some how jets have got clogged hope that answers and resolves your problem Good luck

Posted on Sep 28, 2008

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Engine starts runs well but after 45 minutes or so will die . I can choke as it starts to die and engine will continue running.When it dies will restart easily.Ihave replaced gas filter ,cleaned tank,new...


Carb. needs to be rebuilt. If your choking the engine it to keep the alive and you've cleaned and replaced everything else, I would recommend carb. overhaul.

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Ok I assume what you are trying to say is that once it starts with the choke on and you turn the choke off it dies.
This behavior usually means that the engine is leaning out. This means that it is not getting enough gas. Often if you put it back to choke fast enough it will keep running though very roughly.
The problem is the main metering jets are plugged or there is some kind of obstruction in the carburetor. This is assuming of course that the tank is full of gas and the fuel filter is clean.

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1 Answer

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1 Answer

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1 Answer

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