Started running my Lionel 6-11429 shifter around the Christmas tree today and noticed that once in a while it would miss a chug randomly. I have it running on a 84 inch loop of Fastrack and it will miss at random locations once or twice going around the tree. Track joints are tight thanks to GRJ and binder clips. It is a conventional locomotive. Any one have an idea of what is going on and how to cure it?
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