Masahiro Shimizu Motorcycle Grand Prix Results Motorcycle Grand Prix Results

| Year_ | Class_ | Team | Points | Rank_ | Wins |
|---|---|---|---|---|---|
| 1987 | 250cc | Honda | 20 | 13th | 0 |
| 1988 | 250cc | Honda | 68 | 10th | 0 |
| 1989 | 250cc | Honda | 116 | 6th | 0 |
| 1990 | 250cc | Honda | 100 | 7th | 0 |
| 1991 | 250cc | Honda | 142 | 5th | 0 |
| 1992 | 250cc | Honda | 46 | 9th | 0 |