I have one of those Simplexes. 1947- Perfect frame. Got some tires and acid dipped the rear sheave and in prime now. A little work at a time.Don't know about a motor yet.
cool site.just added to my favorites.learned something.I have an old whizzer on a schwinn frame. didn't know the differance between wz and s4. mines s4 with the welded on attach point and extended arm for the coaster brake
