Re: Need help with muffler.
Assuming that it is the same size muffler the flange might be welded on a few degrees off which is why you're striking it with your pedals. Is it possible to tuck the muffler in more closely to the frame? If not you might need to get someone who has welding gear to reset the flange angle for you.
To stop the securing screws from coming undone drill the heads through with a 1/16th drill and tie them together with a short length of safety wire.
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Last edited by Intrepid Wheelwoman; 10-30-2013 at 11:51 PM.