For anyone who has considered putting white wall tires on their scoot, but found it hard to justify buying new tires when you've got a perfectly fine pair already, there's a solution. There's a special type of white rubberized tire paint made specifically for cheap do-it-yourselfers. I found mine on ebay, and there's also
some guy in iceland that makes a reputable formula.
It involves some tire washing, sanding, and careful taping:

The results are pretty satisfying though:

Now I just have to see how well it holds up. I'll report back in a few hundred miles.
Happy Scooting!