Yukio Kagayama (加賀山就臣, Kagayama Yukio; born May 4, 1974) is a Japanese professional motorcycle road racer. He began his motorcycle racing career competing in the Japanese national championships before racing internationally in Grand Prix motorcycle racing, the Superbike World Championship as well as in the British Superbike Championship. Kagayama raced Suzuki motorcycles for the majority of his career.
Source: “Yukio Kagayama”, English Wikipedia (CC BY-SA 4.0), excerpt