Put it on a diet.
Make a "heritage" version with period instrumentation...
...or at least change the present Toytown set of instruments that are illegible most of the time. One of the funniest photos on this site shows a light that some ingenious 3W owner has rigged up. At first glance, I thought it must be for reading maps, but no: it's to illuminate the rev counter!
And it would be nice to have a fuel gauge that was at least vaguely useful.