Koji Masuda
Japan
250SX top 5
1
125MX top 10s
3
250MX top 20s
8
Career Race Results
| Position | Race | Class | Date | Bike |
|---|---|---|---|---|
| 22 | Motocross Hangtown Motocross Classic | 250MX | March 23, 1980 | Suzuki |
| 12 | Motocross Canyon Raceway | 250MX | April 8, 1979 | Suzuki |
| 13 | Motocross Saddleback | 250MX | April 1, 1979 | Suzuki |
| 20 | Motocross Moto-X 338 | 125MX | May 7, 1978 | Suzuki |
| 10 | Motocross Racing World | 125MX | April 16, 1978 | Suzuki |
| 13 | Motocross Hangtown Motocross Classic | 125MX | April 9, 1978 | Suzuki |
| 5 | Supercross Houston 2 | 250SX | March 18, 1978 | Suzuki |
| 18 | Motocross Sunshine Speedway | 500MX | August 28, 1977 | Suzuki |
| 20 | Motocross Burnt Hickory Motocross | 500MX | August 21, 1977 | Suzuki |
| 9 | Motocross Cycle-Rama | 125MX | August 14, 1977 | Suzuki |
| 27 | Motocross Metrolina Speedway Park | 500MX | August 7, 1977 | Suzuki |
| 23 | Motocross Unadilla Motocross | 500MX | July 31, 1977 | Suzuki |
| 24 | Motocross Cycle World USA | 500MX | July 23, 1977 | Suzuki |
| 15 | Motocross Rio Bravo MX Park | 125MX | June 26, 1977 | Suzuki |
| 18 | Motocross Midland Motocross Park | 125MX | June 19, 1977 | Suzuki |
| 10 | Motocross Sandy Oaks Raceway | 125MX | June 12, 1977 | Suzuki |
| 15 | Motocross High Point Raceway | 250MX | May 29, 1977 | Suzuki |
| 14 | Motocross Lake Sugar Tree MX Park | 250MX | May 15, 1977 | Suzuki |
| 19 | Motocross Moto-X 338 | 250MX | May 1, 1977 | Suzuki |
| 13 | Motocross Omaha Moto Park | 250MX | April 24, 1977 | Suzuki |
| 21 | Motocross Hillside Park | 250MX | April 17, 1977 | Suzuki |
