I just got this one yesterday ... it was love at first sight. Works like a dream, I have a question about cosmetics.
Some of the paint (I assume these machines are enamel paint, not "Japan") has "yellowed". Most of the yellowing seems to be around places where lubricant was used, and also at the base of the pillar (run off?). I've rubbed and rubbed (with sewing machine oil and old cotton t-shirt) but cannot get the yellowing out of any of the places.
Any hints for removing the yellowing ... or is it just age thing I need to accept it?
You can see the yellowing along the front edge seam right under the oiling wick, and in the bobbin area, and along the "crease" where the pillar meets the bed.