| 🇲🇽Mexican Grand Prix 1968 | 3 Nov 1968 | Honda | 6 | Overheating | |
| 🇺🇸United States Grand Prix 1968 | 6 Oct 1968 | Honda | 9 | 3 | 4 |
| 🇨🇦Canadian Grand Prix 1968 | 22 Sept 1968 | Honda | 7 | Gearbox | |
| 🇮🇹Italian Grand Prix 1968 | 8 Sept 1968 | Honda | 1 | Accident | |
| 🇩🇪German Grand Prix 1968 | 4 Aug 1968 | Honda | 7 | Ignition | |
| 🇬🇧British Grand Prix 1968 | 20 Jul 1968 | Honda | 9 | 5 | 2 |
| 🇫🇷French Grand Prix 1968 | 7 Jul 1968 | Honda | 7 | 2 | 6 |
| 🇳🇱Dutch Grand Prix 1968 | 23 Jun 1968 | Honda | 9 | Alternator | |
| 🇧🇪Belgian Grand Prix 1968 | 9 Jun 1968 | Honda | 4 | Suspension | |
| 🇲🇨Monaco Grand Prix 1968 | 26 May 1968 | Honda | 4 | Gearbox | |
| 🇪🇸Spanish Grand Prix 1968 | 12 May 1968 | Honda | 7 | Gearbox | |
| 🇿🇦South African Grand Prix 1968 | 1 Jan 1968 | Honda | 6 | 8 | |