From:chuck maize e-mail:hcmaize-A-gmail.com
Subject:RE: Exhaust Pipe Ring Date:Fri Oct 9 02:05:52 2015
Response to:20791
As I recall it fits in a groove on the port...? Seals like a
piston ring...

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Can anybody tell me whether the exhaust pipe ring (#65533-
54) goes inside the flange of the exhaust pipe or does it slip
around the outside of the cylinder's exit port? What purpose
does it serve? Thanks.