How well does that design work? I'm thinking about making my minibike brake setup like that.

could you snap a pic of the spart plus ground? i think you have the same set up as mine, it wraps around the top? My engine is a 4hp briggs and it has the 2 bolt coil.
Make it like a rat rod mini bike, build a Briggs 5hp with only old school racing parts. Now that would be awesome