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Old 10-16-2006 | 05:36 AM
  #18  
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w8ye
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From: Shelby, OH
Default RE: OS 91 4 stroke pumped problems
The orifice hole in the carb body gets enlarged by one or both of two factors.

One the steel needle vibrates in the hole and enlarges the orifice.

Someone closes the needle down hard against the orifice thereby enlarging the hole.
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