The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, we take a ride on Japan's world-beloved compact motorcycles. Over 100 million of these revolutionary compact motorcycles have been produced to date. They were developed by Soichiro Honda, whose company, named after Honda himself, became world-renowned in a single generation. Join us as we ride into the unknown tale of this brilliant engineer's trailblazing compact motorcycles.