5hp briggs and stratton strats, then dies.

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  #1  
Old 05-30-11, 02:04 PM
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Question 5hp briggs and stratton strats, then dies.

i have an engine from a old rotor tiller model number 137292, type 0714 A1. I can get it to start on choke, but right after it will die shortly. Also if i take it off of choke and give it gas, it will also die. i also noticed some backfires through the top of the carb that has ended up going into the airfilter. I have done almost everything i could think of doing. any help?
 
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Old 06-02-11, 04:08 PM
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Your carb might be clogged. does the mower continue to run if you keep the choke on?
 
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Old 06-02-11, 07:07 PM
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Yes, infact one I take the choke off it will die, but as long as the choke is kept on it will run perfectly fine.
 
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Old 06-02-11, 07:28 PM
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It is probably that your jets are clogged, since the choke forces more negative preasure on the jets so some gas would come out. If you have carb soaker soak the carburetor for a few minutes and you machine should run golden.
 
  #5  
Old 06-02-11, 07:55 PM
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I do not have a carb soaker at the moment but I just figured out that when the gas tank is full it runs perfect. Would it change your mind if I were to tell you that the carb is brand new?
 
  #6  
Old 06-02-11, 08:06 PM
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It would, seeing as though i thought the jets were clogged and that the engine runs with a full tank. No idea what to tell you now other than it could old bad gas in the tank and adding more made the gas passable for the engine.
 
  #7  
Old 06-02-11, 10:46 PM
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It is likely that the bowl in the tank has a hole rusted in it. It could also be a bad fuel pump diaphragm.
 
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