to much compresion

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  #1  
Old 10-15-07, 05:25 PM
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to much compresion

i have a 14.5 HP B&S that when you turn it over by hand it will make one rotation then it is hard to turn and you can hear the air slowly getting in. is this to much compression and if so would a bad valve cause this?
 
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Old 10-15-07, 05:38 PM
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Make sure that your battery is charged and strong enough,and that all the wire termals are clean and free of any Corrosion build up from the battery posts to the starter.If all this is ok then YES the valve clearance could be at fault.reply back with the model and type #'s of your engine and someone can look up the spec's for you.
 
  #3  
Old 10-15-07, 06:05 PM
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to much compresion

got a new battery and all connetion are clean. model # 287707, type # 0225-D1.....thanks for your reply
 
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Old 10-16-07, 12:23 AM
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The operation you're describing by hand sounds normal to me. What is it doing when you try to start it with the starter? Does it turn a bit and stop at the compression stroke? If so, adjust the valve clearances.
 
  #5  
Old 10-16-07, 06:54 AM
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Just throwing this out there - might not hurt to check your oil too. See if there is gas in the oil.
 
  #6  
Old 10-16-07, 12:35 PM
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Intake clearance - .003-.005, exhaust - .005-.007.
 
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