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Old 01-12-2007 | 12:52 PM
  #10  
Birman
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From: Racine, WI
Default RE: Engine tear down and cleaning

Ed, I used Dawn Power Dissolver on the muffler of my OS 61 FX and it left dark gray spots all over the muffler that I have not been unable to remove. Of course it doesn't hurt the muffler but it's very unsightly.