# 1978 Yugoslavian motorcycle Grand Prix

The 1978 Yugoslavian motorcycle Grand Prix was the thirteenth and final round of the 1978 Grand Prix motorcycle racing season. It took place on 17 September 1978 at the Staza Grobnik Rijeka.

## 350 cc classification

| Pos | Rider | Manufacturer | Laps | Time | Grid | Points |
| 1 | Gregg Hansford | Kawasaki | 35 | 58:21.2 | 1 | 15 |
| 2 | Franco Bonera | Yamaha | 35 | +7.3 | 4 | 12 |
| 3 | Patrick Fernandez | Yamaha | 35 | +21.2 | 2 | 10 |
| 4 | Vic Soussan | Yamaha | 35 | +24.5 | 5 | 8 |
| 5 | Jon Ekerold | Yamaha | 35 | +31.8 | 11 | 6 |
| 6 | Anton Mang | Kawasaki | 35 | +32.2 | 12 | 5 |
| 7 | Olivier Chevallier | Yamaha | 35 | +1:40.0 | 8 | 4 |
| 8 | Vanes Francini | Yamaha | 35 | +1:44.4 | 14 | 3 |
| 9 | Giovanni Pellettier | Yamaha | 34 | +1 lap | 16 | 2 |
| 10 | Roland Freymond | Yamaha | 34 | +1 lap | 15 | 1 |
| 11 | Mario Lega | Morbidelli | 34 | +1 lap | 10 | |
| 12 | Giovanni Rolando | Yamaha | 34 | +1 lap | | |
| 13 | Franco Marcheggiani | Yamaha | 34 | +1 lap | | |
| 14 | Y. Matsumoto | Yamaha | 34 | +1 lap | | |
| 15 | Peter Sjoström | Yamaha | 33 | +2 laps | | |
| | Kork Ballington | Kawasaki | | | 3 | |
| | Tom Herron | Yamaha | | | 6 | |
| | Hervé Moineau | Yamaha | | | 7 | |
| | Pierluigi Conforti | Yamaha | | | 9 | |
| | Paolo Pileri | Morbidelli | | | 13 | |
| | Bruno Kneubühler | Yamaha | | | 17 | |
| | Pentti Korhonen | Yamaha | | | 18 | |
| | Sauro Pazzaglia | Yamaha | | | 19 | |
| | Leif Gustafsson | Yamaha | | | 20 | |
| 30 starters in total |||||||

## 250 cc classification

| Pos | Rider | Manufacturer | Laps | Time | Grid | Points |
| 1 | Gregg Hansford | Kawasaki | 29 | 49:28.98 | 2 | 15 |
| 2 | Anton Mang | Kawasaki | 29 | +4.00 | 13 | 12 |
| 3 | Kork Ballington | Kawasaki | 29 | +4.31 | 1 | 10 |
| 4 | Paolo Pileri | Morbidelli | 29 | +12.91 | 4 | 8 |
| 5 | Jon Ekerold | Yamaha | 29 | +31.68 | 6 | 6 |
| 6 | Patrick Fernandez | Yamaha | 29 | +31.93 | 3 | 5 |
| 7 | Mario Lega | Morbidelli | 29 | +44.34 | 5 | 4 |
| 8 | Pentti Korhonen | Yamaha | 29 | +1:23.02 | 7 | 3 |
| 9 | Roland Freymond | Yamaha | 29 | +1:40.90 | 18 | 2 |
| 10 | Eero Hyvärinen | Yamaha | 29 | +1:41.16 | 12 | 1 |
| 11 | Hans Müller | Yamaha | 29 | +1:43.85 | 15 | |
| 12 | Giovanni Pellettier | Yamaha | 28 | +1 lap | | |
| 13 | Vanes Francini | Yamaha | 28 | +1 lap | | |
| 14 | Bernd Tüngethal | Yamaha | 28 | +1 lap | | |
| 15 | Franco Marcheggiani | Yamaha | 28 | +1 lap | | |
| 16 | Giorgio Avveduti | Yamaha | 28 | +1 lap | 19 | |
| 17 | Renè Delaby | Yamaha | 28 | +1 lap | | |
| 18 | Olivier Liegeois | Yamaha | 28 | +1 lap | | |
| | Olivier Chevallier | Yamaha | | | 8 | |
| | Vic Soussan | Yamaha | | | 9 | |
| | Tom Herron | Yamaha | | | 10 | |
| | Thierry Espié | Yamaha | | | 11 | |
| | Sauro Pazzaglia | Yamaha | | | 14 | |
| | Leif Gustafsson | Yamaha | | | 16 | |
| | Hervé Moineau | Yamaha | | | 17 | |
| 30 starters in total |||||||

## 125 cc classification

| Pos | Rider | Manufacturer | Laps | Time | Grid | Points |
| 1 | Ángel Nieto | Minarelli | 25 | 44:33.3 | 2 | 15 |
| 2 | Hans Müller | Morbidelli | 25 | +10.8 | 4 | 12 |
| 3 | Pierluigi Conforti | Morbidelli | 25 | +11.1 | 3 | 10 |
| 4 | Harald Bartol | Morbidelli | 25 | +23.6 | 9 | 8 |
| 5 | Maurizio Massimiani | Morbidelli | 25 | +41.4 | 13 | 6 |
| 6 | Jean-Louis Guignabodet | Morbidelli | 25 | +41.7 | 10 | 5 |
| 7 | Matti Kinnunen | Morbidelli | 25 | +45.8 | 7 | 4 |
| 8 | Per-Edward Carlson | Morbidelli | 25 | +56.4 | 14 | 3 |
| 9 | Patrick Plisson | Morbidelli | 25 | +57.7 | 16 | 2 |
| 10 | Thierry Noblesse | Morbidelli | 25 | +1:04.4 | 6 | 1 |
| 11 | P. Herouard | Morbidelli | 25 | +1:14.0 | 11 | |
| 12 | Stefan Dörflinger | Morbidelli | 25 | +1:24.2 | 8 | |
| 13 | Rolf Blatter | Morbidelli | 25 | +1:50.8 | 15 | |
| 14 | Claudio Lusuardi | Morbidelli | 24 | +1 lap | | |
| 15 | Henk van Kessel | Condor | 24 | +1 lap | 18 | |
| 16 | Enrico Cereda | Morbidelli | 24 | +1 lap | 20 | |
| 17 | Maurizio Musco | Morbidelli | 24 | +1 lap | 19 | |
| 18 | Theo Timmer | Morbidelli | 24 | +1 lap | | |
| 19 | Luigi Rinaudo | Morbidelli | 24 | +1 lap | | |
| 20 | Hagen Klein | Morbidelli | 23 | +2 laps | | |
| 21 | Boris Bajc | Morbidelli | 23 | +2 laps | | |
| | Thierry Espié | Motobécane | | | 1 | |
| | Eugenio Lazzarini | MBA | | | 5 | |
| | August Auinger | Morbidelli | | | 12 | |
| | Italo Zerbini | Morbidelli | | | 17 | |
| 30 starters in total |||||||

## 50 cc classification

| Pos | Rider | Manufacturer | Laps | Time | Grid | Points |
| 1 | Ricardo Tormo | Bultaco | 20 | 38:15.02 | 2 | 15 |
| 2 | Eugenio Lazzarini | Kreidler | 20 | +14.58 | 1 | 12 |
| 3 | Patrick Plisson | ABF | 20 | +1:24.47 | 4 | 10 |
| 4 | Rolf Blatter | Kreidler | 20 | +1:25.27 | 7 | 8 |
| 5 | Ingo Emmerich | Kreidler | 20 | +1:42.95 | 6 | 6 |
| 6 | Hagen Klein | Kreidler | 20 | +1:52.26 | 11 | 5 |
| 7 | Wolfgang Müller | Kreidler | 20 | +1:53.48 | 5 | 4 |
| 8 | Enrico Cereda | DRS | 19 | +1 lap | 10 | 3 |
| 9 | Reiner Scheidhauer | Kreidler | 19 | +1 lap | 8 | 2 |
| 10 | Aldo Pero | Kreidler | 19 | +1 lap | 9 | 1 |
| 11 | Peter Looyenstein | Kreidler | 19 | +1 lap | 13 | |
| 12 | Henk van Kessel | Sparta | 19 | +1 lap | 14 | |
| 13 | Bruno di Carlo | Kreidler | 19 | +1 lap | 20 | |
| 14 | Chris Baert | Kreidler | 19 | +1 lap | | |
| 15 | S. Zattoni | LGM | 19 | +1 lap | | |
| 16 | Ezio Mischiatti | LGM | 18 | +2 laps | | |
| 17 | Otto Machinek | Kreidler | 18 | +2 laps | | |
| | Stefan Dörflinger | Kreidler | | | 3 | |
| | Günter Schirnhofer | Kreidler | | | 12 | |
| | Theo Timmer | Kreidler | | | 15 | |
| | Claudio Lusuardi | Kreidler | | | 16 | |
| | "Krstic" | Kreidler | | | 17 | |
| | Hans Hummel | Kreidler | | | 18 | |
| | Benjamin Laurent | FBM | | | 19 | |
| 30 starters in total |||||||