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

References