Originally Posted by thumpism

Nice old bike. I assembled many of those and have owned a few other Treks. One thing I get from this photo: see the wrinkled lower edge of the shop sticker and the accumulated crud about a half-inch down the tube from it? It looks to me like the cable guide/stop clamp is loose and is being pulled up the tube by cable tension. You can see in a different photo that it is also skewed on the tube. Might want to fix that. Your gears probably won't stay in adjustment until you do.