Takazumi Katayama (çÂÂå±±æ¬æ¸Â, born April 16, 1951) is a Korean former Grand Prix motorcycle road racing world champion who raced as a Japanese.
Katayama was the first Asian 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.
() (Races in bold indicate pole position) (Races in italics indicate fastest lap)