Mitsuo Itoh Motorcycle Grand Prix results Motorcycle Grand Prix results

| Year_ | Class_ | Team | Points | Wins |
|---|---|---|---|---|
| 1961 | 125cc | Suzuki | 0 | 0 |
| 1961 | 250cc | Suzuki | 0 | 0 |
| 1962 | 50cc | Suzuki | 23 | 0 |
| 1962 | 125cc | Suzuki | 4 | 0 |
| 1963 | 50cc | Suzuki | 20 | 1 |
| 1963 | 125cc | Suzuki | 1 | 0 |
| 1964 | 50cc | Suzuki | 19 | 0 |
| 1964 | 125cc | Suzuki | 6 | 0 |
| 1965 | 50cc | Suzuki | 16 | 0 |
| 1966 | 50cc | Suzuki | 3 | 0 |
| 1966 | 125cc | Suzuki | 4 | 0 |
| 1967 | 50cc | Suzuki | 8 | 1 |