I noticed WD40 has a protectant coating now. At the estate sale where I got it the bike it looked horrible, all pitted and corroded, when I got it home all of that wiped off to reveal perfect chrome. What everyone was seeing was WD and dirt. I still haven't gotten all the blue coral paste wax out of the cracks.
The po's son said his dad oiled and waxed it when it went in for the winter.