Tags: Motorcycle Rider, Motorsport Racer.
Takazumi Katayama (片山敬済 born April 16 1951 in Japan) is a former Grand Prix motorcycle road racing world champion. He was the first Japanese rider to win a motorcycle road racing world championship when he claimed the 1977 350cc world championship aboard a Yamaha. In 1979 he accepted an offer from Honda to develop their exotic oval-cylinder four-stroke NR500 race bike. After retiring from competition Katayama became a motorcycle Grand Prix racing team owner