Honda 1966
| Gran Premio | Squadra | N° | Pilota | Modello | Motore | Griglia | Gara |
| Italia | Honda R&D Company | 18 | GINTHER Richie | RA273 | Honda | 7 | ab |
| Stati Uniti | Honda R&D Company | 12 | GINTHER Richie | RA273 | Honda | 8 | nc |
| Honda R&D Company | 14 | BUCKNUM Ronnie | RA273 | Honda | 18 | ab | |
| Messico | Honda R&D Company | 12 | GINTHER Richie | RA273 | Honda | 3 | 4 |
| Honda R&D Company | 14 | BUCKNUM Ronnie | RA273 | Honda | 13 | 8 |