0
Recorded Grand Prix wins
Grand Prix motorcycle racing
Silvio Grassetti
One rider identity across recorded classes and seasons.
1
Recorded podiums
3
Known starts in available matrices
Coverage-limited observations, not certified career totals. Sprints, unrecorded classifications and unknown starts are excluded. Championship source totals retain their historical scoring context.
Championship timeline
| Season | Class | Position | Reported points | Source |
|---|---|---|---|---|
| 1973 | 250cc | 10 | 21 | Wikipedia revision ↗ |
| 1972 | 250cc | 9 | 30 | Wikipedia revision ↗ |
| 1971 | 250cc | 7 | 43 | Wikipedia revision ↗ |
| 1970 | 250cc | 10 | 24 | Wikipedia revision ↗ |
| 1969 | 250cc | — | 18 | Wikipedia revision ↗ |
| 1969 | 350cc | 2 | 47 | Wikipedia revision ↗ |
| 1968 | 350cc | — | 4 | Wikipedia revision ↗ |
| 1967 | 350cc | 9 | 6 | Wikipedia revision ↗ |
| 1966 | 350cc | 14 | 6 | Wikipedia revision ↗ |
| 1965 | 250cc | 16 | 4 | Wikipedia revision ↗ |
| 1965 | 350cc | — | 6 | Wikipedia revision ↗ |
| 1964 | 500cc | — | 0 | Wikipedia revision ↗ |
| 1963 | 250cc | 14 | 3 | Wikipedia revision ↗ |
| 1962 | 350cc | 5 | 8 | Wikipedia revision ↗ |
| 1962 | 500cc | 16 | 4 | Wikipedia revision ↗ |
| 1961 | 250cc | 7 | 10 | Wikipedia revision ↗ |
| 1961 | 350cc | — | 2 | Wikipedia revision ↗ |
Wikipedia contributors · adapted tables under CC BY-SA 4.0.