The world's 4 largest motorcycle manufacturers are all Japanese. They account for 50% of the global market, far more than India in 2nd place. The secret to their popularity is the overwhelmingly high quality. Even domestically, a motorcycle boom for old models that were popular in the 80s has reignited the passion of middle-aged and older people for motorcycles. Further, people have high expectations for off-road motorcycle police due to their motorcycle's high mobility during disasters. How are Japan's motorcycles different from the worlds? We investigate the cools of the motorcycle kingdom Japan.