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Old 11-02-2011 | 08:53 AM
  #11  
Lamoilleriver
 
Joined: Dec 2005
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From: northern, VT
Default RE: Needle valve O-ring question
Had same problem on a OS.25FX, yes the O-ring is swelling, ordered replacements thru Tower and everything is good to go now. Believe OS is getting poor quality O-rings from a Chinese supplier.[>:]
Have several OS engines for many years and never had a problem with O-rings before.
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