The ORIGINAL bike later called the Doodle Bug was made in 1942. Sold as Army Surplus to Beam Mfg. in Webster City, Iowa that went into production in 1946, 1947 & 1948. They made 40,000 of them. That was the true Doodle Bug. Every year in September they have a reunion in Webster City, Iowa. The designer of the original one was George Fields who later founded Max-Torque in 1957. Originals had Briggs
1 1/2hp engines on them and they also used Clinton engines.
More to the story but you can go to the web site and get educated there.