BELGIUM GRAND PRIX
500cc · Course
| Pos | Pilote | Temps / écart | Pts |
|---|---|---|---|
| 1 | Randy Mamola | 51:07.210 | |
| 2 | Marco Lucchinelli | 51:19.610 | |
| 3 | Kenny Roberts | 51:38.350 | |
| 4 | Graeme Crosby | 51:24.140 | |
| 5 | Wil Hartog | 51:47.960 | |
| 6 | Franco Uncini | 52:03.470 | |
| 7 | Carlo Perugini | 52:33.540 | |
| 8 | Patrick Pons | 52:39.510 | |
| 9 | Boet Van Dulmen | 52:39.670 | |
| 10 | Bernard Fau | 52:52.800 | |
| 11 | Philippe Coulon | ||
| 12 | Raymond Roche | ||
| 13 | Maurizio Massimiani | ||
| 14 | Willem Zoet | ||
| 15 | Sadao Asami | ||
| — | Patrick Fernandez | OUTSTND | |
| — | Freddie Spencer | OUTSTND | |
| — | Johnny Cecotto | OUTSTND | |
| — | Graziano Rossi | OUTSTND |
250cc · Course
| Pos | Pilote | Temps / écart | Pts |
|---|---|---|---|
| 1 | Anton Mang | — | |
| 2 | Gianpaolo Marchetti | — | |
| 3 | Patrick Fernandez | — | |
| 4 | Roland Freymond | — | |
| 5 | Graeme Geddes | — | |
| 6 | Clive Horton | — | |
| 7 | Jacques Cornu | — | |
| 8 | Jean Louis Guignabodet | — | |
| 9 | Sauro Pazzaglia | — | |
| 10 | Eero Hyvarinen | — | |
| 11 | Jean Francois Baldé | — | |
| 12 | Carlos Lavado | — | |
| 14 | Jean Marc Toffolo | — | |
| 15 | Paolo Ferretti | — | |
| 16 | Hans Müller | — | |
| 18 | Rene Deláby | — | |
| 20 | Didier De Radigues | — | |
| 25 | Marco Papa | — | |
| 29 | R. Sibille | — | |
| — | Thierry Espié | OUTSTND | |
| — | Eric Saul | OUTSTND | |
| — | Edi Stöllinger | OUTSTND | |
| — | Graeme Mcgregor | OUTSTND | |
| — | Jacques Bolle | OUTSTND |
125cc · Course
| Pos | Pilote | Temps / écart | Pts |
|---|---|---|---|
| 1 | Angel Nieto | 46:45.920 | |
| 2 | Guy Bertin | 46:46.190 | |
| 3 | Loris Reggiani | 47:14.370 | |
| 4 | Pierpaolo Bianchi | 47:18.400 | |
| 5 | Hans Müller | 47:19.830 | |
| 6 | Peter Looijensteijn | 47:39.860 | |
| 7 | Gianpaolo Marchetti | 47:40.210 | |
| 8 | Bruno Kneubühler | 47:45.190 | |
| 9 | Ricardo Tormo | 47:49.230 | |
| 10 | Jean Claude Selini | 47:56.000 |
50cc · Course
| Pos | Pilote | Temps / écart | Pts |
|---|---|---|---|
| 1 | Stefan Dörflinger | ||
| 2 | Eugenio Lazzarini | ||
| 3 | Y. Dupont | ||
| 4 | Hans Spaan | ||
| 5 | Hans Hummel | ||
| 6 | Wolfgang Müller | ||
| 7 | Gerhard Waibel | ||
| 8 | Rolf Blatter | ||
| 9 | Otto Machinek | ||
| 10 | Jacques Hutteau |