Avon
5 pole position(s)
| Series | Race | Event | Track | Bike | Entrant | Result |
|---|---|---|---|---|---|---|
| 1954 | ||||||
| FIM WC | 500cc |
Dutch TT
|
Assen | 500 Gilera Quattro | Moto Gilera | Duke - 1st |
| FIM WC | 500cc |
Grand Prix Suisse
|
Bremgarten | 500 Gilera Quattro | Moto Gilera | Duke - 1st |
| FIM WC | 500cc |
Gran Premio delle Nazioni
|
Monza | 500 Gilera Quattro | Moto Gilera | Masetti - 2nd |
| 1987 | ||||||
| FIM WC | SC 500cc |
Grosser Preis von Deutschland
|
Hockenheim | 500 LCR-Krauser | Dennis Trollope Racing | Webster - 1st (p: Hewitt) |
| FIM WC | SC 500cc |
Swedish TT
|
Anderstorp | 500 LCR-Krauser | Dennis Trollope Racing | Webster - 2nd (p: Hewitt) |