If I'm not mistaken, the Aprilia RS250 uses a Suzuki engine similar to the RGV, so there may be more parts available for that engine than the others.
How'd you like to get parts for this?
A couple more I ran across recently at Road America -
^ My first street bike was one just like this.
My buddy's Bultaco Metralla, my Derbi GPR, and the Bimota V Due at a large local cycle gathering last year.
