The 1978 Nations motorcycle Grand Prix was the fifth round of the 1978 Grand Prix motorcycle racing season. It took place on the weekend of 12–14 May 1978 at the Autodromo Internazionale del Mugello.
Classification 500 cc Pos. Rider Team Manufacturer Time/Retired Points 1 Kenny Roberts Yamaha Motor Company Yamaha 59'17.000 15 2 Pat Hennen Suzuki +6.200 12 3 Marco Lucchinelli Cagiva Corse Suzuki +35.500 10 4 Steve Baker Team Gallina Nava Olio Fiat Suzuki +40.400 8 5 Barry Sheene Texaco Heron Team Suzuki Suzuki +51.400 6 6 Wil Hartog Riemersma Racing Suzuki +1'07.500 5 7 Tepi Länsivuori Suzuki +1'16.300 4 8 Philippe Coulon Marlboro Nava Total Suzuki +2'04.100 3 9 Boet van Dulmen Suzuki +2'04.700 2 10 Gianni Rolando Team Librenti Suzuki +1 lap 1 11 Nico Cereghini Suzuki +1 lap 12 Graziano Rossi Team Gallina Nava Olio Fiat Suzuki +1 lap 13 Franz Rau Kazenmaier Autovermietung Suzuki +1 lap 14 Alex George Suzuki +1 lap 15 Roberto Coli Suzuki +1 lap Ret Carlo Perugini Suzuki Accident Ret Carlos Delgado de San Antonio Suzuki Accident Ret Carlo Paganini Suzuki Retired Ret Bruno Kneubühler RSS Racing Team Suzuki Retired Ret Lorenzo Ghiselli Suzuki Retired Ret Virginio Ferrari Team Gallina Nava Olio Fiat Suzuki Retired Ret Johnny Cecotto Yamaha Motor Company Yamaha Accident Ret Michel Rougerie Suzuki Retired Ret Pieraldo Cipriani Paton Clutch Ret Steve Parrish Suzuki Retired Ret Christian Estrosi Suzuki Retired Ret Gregorio Mariani Suzuki Retired Ret Jack Findlay Suzuki Retired Ret Christian Estrosi Suzuki Retired Ret Takazumi Katayama Sarome & Motul Team Yamaha Retired Ret Børge Nielsen Suzuki Retired DNS Sergio Pellandini Suzuki Did not start Sources:
350cc Pos Rider Manufacturer Laps Time Grid Points 1 Kork Ballington Kawasaki 25 54:08.0 7 15 2 Gregg Hansford Kawasaki 25 +0.4 11 12 3 Takazumi Katayama Yamaha 25 +15.9 2 10 4 Michel Rougerie Yamaha 25 +16.2 5 8 5 Franco Uncini Yamaha 25 +41.4 1 6 6 Marco Lucchinelli Yamaha 25 +42.4 3 5 7 Patrick Fernandez Yamaha 25 +1:01.6 10 4 8 Olivier Chevallier Yamaha 25 +1:04.9 8 3 9 Vic Soussan Yamaha 25 +1:24.5 12 2 10 Mario Lega Morbidelli 25 +1:35.9 6 1 11 Tom Herron Yamaha 25 +1:36.0 4 12 Pentti Korhonen Yamaha 25 +1:58.0 13 John Dodds Yamaha 25 +1:59.2 14 Franco Bonera Yamaha 24 +1 lap 15 Hervé Moineau Yamaha 24 +1 lap Jon Ekerold Yamaha 9 30 starters in total, 19 finishers
250cc Pos Rider Manufacturer Laps Time Grid Points 1 Kork Ballington Kawasaki 23 50:23.4 4 15 2 Gregg Hansford Kawasaki 23 +0.0 2 12 3 Franco Uncini Yamaha 23 +51.0 3 10 4 Tom Herron Yamaha 23 +1:11.0 12 8 5 Patrick Fernandez Yamaha 23 +1:14.9 11 6 6 Mario Lega Morbidelli 23 +1:15.0 5 5 7 Olivier Chevallier Yamaha 23 +1:21.0 4 8 Raymond Roche Yamaha 23 +1:21.7 3 9 Jean-François Baldé Kawasaki 23 +1:57.8 2 10 Sadao Asami Yamaha 23 +1:57.8 7 1 11 Anton Mang Kawasaki 23 +2:12.2 8 12 Sauro Pazzaglia Yamaha 23 +2:13.6 13 John Dodds Yamaha 22 +1 lap 14 Franco Solaroli Yamaha 22 +1 lap 15 Vic Soussan Yamaha 22 +1 lap 6 Kenny Roberts Yamaha 1 Pentti Korhonen Yamaha 9 Jon Ekerold Yamaha 10 30 starters in total, 19 finishers
125cc Pos Rider Manufacturer Laps Time Grid Points 1 Eugenio Lazzarini MBA 20 46:25.9 1 15 2 Maurizio Massimiani Morbidelli 20 +26.2 8 12 3 Harald Bartol Morbidelli 20 +29.1 11 10 4 Thierry Espié Motobécane 20 +29.3 2 8 5 Per-Edward Carlson Morbidelli 20 +49.3 6 6 Hans Müller Morbidelli 20 +54.7 9 5 7 Ángel Nieto Bultaco 20 +1:18.6 4 8 Jean-Louis Guignabodet Morbidelli 20 +1:27.5 12 3 9 Stefan Dörflinger Morbidelli 20 +1:39.3 10 2 10 Enrico Cereda Morbidelli 20 +1:48.9 1 11 Bruno Vasetti Morbidelli 20 +2:05.9 12 Italo Zerbini Morbidelli 20 +3:46.9 13 Ermanno Giuliano Morbidelli 19 +1 lap 14 Riccardo Russo Morbidelli 19 +1 lap 15 Ivan Palazzese Morbidelli 19 +1 lap Pierluigi Conforti Morbidelli 3 Pierpaolo Bianchi Minarelli 4 Felice Agostini Morbidelli 5 Matti Kinnunen Morbidelli 6 Thierry Noblesse Morbidelli 7 30 starters in total, 21 finishers
50cc Pos Rider Manufacturer Laps Time Grid Points 1 Ricardo Tormo Bultaco 12 30:39.4 1 15 2 Patrick Plisson ABF 12 +2.1 4 12 3 Julien van Zeebroeck Kreidler 12 +19.4 5 10 4 Rolf Blatter Kreidler 12 +19.7 8 5 Stefan Dörflinger Kreidler 12 +20.0 3 6 6 Aldo Pero Kreidler 12 +20.2 8 5 7 Wolfgang Müller Kreidler 12 +37.3 7 4 8 Alberto Jeva Morbidelli 12 +51.9 12 3 9 Salvatore Monreale Morbidelli 12 +54.7 11 2 10 Pierre Dumont Kreidler 12 +1:11.8 1 11 Daniel Corvi Kreidler 12 +1:12.4 12 Claudio Lusuardi Bultaco 12 +1:16.5 13 Enrico Cereda DRS 12 +1:39.0 14 Hagen Klein Kreidler 12 +1:55.1 15 Claudio Granata Morbidelli 12 +1:55.6 10 Eugenio Lazzarini Kreidler 2 Ingo Emmerich Kreidler 6 Sergio Zattoni Derbi 9 30 starters in total, 21 finishers
Sidecar classification Pos Rider Passenger Manufacturer Laps Time Grid Points 1 Rolf Biland Kenny Williams Beo-Yamaha 20 45:40.2 2 15 2 Werner Schwärzel Andreas Huber Fath 20 +11.5 5 12 3 Jean-François Monnin Philippe Miserez Seymaz-Yamaha 20 +39.6 3 10 4 Dick Greasley Gordon Russell Busch-Yamaha 20 +46.6 9 8 5 Bruno Holzer Karl Meierhans LCR-Yamaha 20 +1:20.1 8 6 6 Yvan Troillet Pierre Muller GEP-Yamaha 20 +1:26.6 7 5 7 Hermann Schmid Kenny Arthur Schmid-Yamaha 20 +1:33.2 4 8 Jock Taylor Lewis Ward Windle-Yamaha 20 +1:37.2 3 9 Ernst Trachsel Andreas Stager TTM-Suzuki 19 +1 lap 2 10 George O'Dell Cliff Holland Seymaz-Yamaha 19 +1 lap 6 1 11 Siegfried Schauzu Lorenzo Puzo Busch-Yamaha 19 +1 laps 12 Egbert Streuer Johann van der Kaap Schmid-Yamaha 19 +1 laps Alain Michel Stu Collins Seymaz-Yamaha 1 Rolf Steinhausen Wolfgang Kalauch Seymaz-Yamaha 4 Mac Hobson Ken Birch Yamaha 10
References