2hp b&s backfire

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  #1  
Old 06-09-07, 08:16 PM
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2hp b&s backfire

Hello, I have a 2 hp b&s that starts easy and idles nice but when i throttle it up it losses power and starts to pop at random through the exaust and carb.
any help would be greatly apriciated.
 
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  #2  
Old 06-10-07, 10:22 AM
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Post the Briggs Model No., Type and code numbers. they should be stamped on the flywheel cover so we can see what we are dealing with. Have a good one. Geo
 
  #3  
Old 06-10-07, 12:59 PM
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here are the #s
60102 0267 01 700817
 
  #4  
Old 06-10-07, 01:21 PM
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Could be both a valve clearance issue as well as an ignition issue. The "pop" through the exhaust indicates ignition and a "pop" through the carb indicates a problem with the intake valve clearance. OR, you may have a sheared flywheel key and this alone would explain the trouble.
 
  #5  
Old 06-11-07, 08:58 AM
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I agree with puey, it sounds like a sheared flywheel key. Have a good one. Geo
 
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