Katsuyuki Nakasuga

Katsuyuki Nakasuga isn't a name most casual fans outside Japan would recognize, and honestly that feels a little unfair. This Shizuoka-born racer has dominated the All Japan Superbike Championship for years — racking up multiple JSB1000 titles in a way that makes him basically the undisputed king of domestic Japanese two-wheel racing. He's also been Yamaha's trusted test rider, which tells you everything about how much the factory respects his feedback and raw pace. He's popped up as a MotoGP wildcard at home races and held his own against full-season Grand Prix riders, which is quietly impressive. There's something I find compelling about a guy who operates mostly away from the global spotlight but keeps winning anyway — no fanfare, just lap times. Shizuoka producing this guy feels right; that prefecture and motorcycles practically go hand in hand.

Katsuyuki Nakasuga is a Japanese motorcycle racer born on August 9, 1981, in Shizuoka City, Shizuoka Prefecture. He is widely recognized within the domestic and international motorcycle racing community. Shizuoka Prefecture has deep ties to Japan's motorcycle industry, and Nakasuga built his career competing at the highest levels of the sport. Further personal details remain private.

Name (English)

Katsuyuki Nakasuga

Name (Japanese)

中須賀克行

Reading

なかすが かつゆき

Born

August 9, 1981 (age 45)

Zodiac / Chinese zodiac

Leo / Rooster

Origin

Shizuoka City, Shizuoka Prefecture, Japan

Occupation

Motorcycle Racer

• Xhttps://x.com/nakasugayamaha
• Wikipedia (Japanese)https://ja.wikipedia.org/wiki/%E4%B8%AD%E9%A0%88%E8%B3%80%E5%85%8B%E8%A1%8C
• Wikidatahttps://www.wikidata.org/wiki/Q2334030

Tags

• From Shizuoka Prefecture
• Motorcycle Racer

Last updated

2026-06-02

Facts are limited to publicly available information up to 2024; non-public or unconfirmed items are omitted. English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.