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Thread: Aviastar 53, OS compatile muffler pattern?
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Old 03-23-2011 | 03:19 PM
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fredsedno
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From: Winchendon, MA
Default RE: Aviastar 53, OS compatile muffler pattern?
I have a Aviastar53. The bolt holes are .020 to .030[thousanths] out of line and are not interchangeable.
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