Discovery 1: The headset wasn't sealed and one of the retainers had lost some of its rentaining powers. I'll probably replace it with extra balls.
Discovery 2: The bottom bracket requires some special Suntour 8 prong cup remover. This one is super smooth and I can leave it alone. So it's all good.
Discovery 3: The shifters have a nicer audible click after a little kerosene soak. (But one grey plastic washer thing has a crack. )