fuel gauge for whizzer style tank?

[butterbean]

Anyone know of a gas cap with built-in gauge that will fit the whizzer style (reproduction) gas tanks? My old gas tank (old yamaha 3 wheeler tank) had a site gauge that I built, but not sure how to build a site gauge for this one, so looking for a cap with a gauge.

 

[chainmaker]

You should be able to put in a sight gauge with a couple threaded elbows with barbs and some clear fuel line.