1978 Belgian motorcycle Grand Prix

  1978 Belgian Grand Prix

Race details
Race 7 of 13 races in the 1978 Grand Prix motorcycle racing season
Date	2 July 1978
Official name	Grand Prix Belgique / Grote Prijs België[1][2][3]
Location	Circuit de Spa-Francorchamps
Course	Permanent racing facility 14.100 km (8.761 mi)
500 cc
Pole position Rider Johnny Cecotto Time 3:48.600 Fastest lap Rider Michel Rougerie Time 3:51.700 Podium First Wil Hartog Second Kenny Roberts Third Barry Sheene
250 cc
Pole position Rider Kork Ballington Time 4:08.000 Fastest lap Rider Walter Villa Time 4:22.400 Podium First Paolo Pileri Second Franco Uncini Third Walter Villa
125 cc
Pole position Rider Ángel Nieto Time 4:23.200 Fastest lap Rider Pierpaolo Bianchi Ángel Nieto Time 4:42.700 Podium First Pierpaolo Bianchi Second Ángel Nieto Third Maurizio Massimiani
50 cc
Pole position Rider Ricardo Tormo Time 5:12.500 Fastest lap Rider Ricardo Tormo Time 5:16.100 Podium First Ricardo Tormo Second Eugenio Lazzarini Third Stefan Dörflinger
Sidecar (B2A)
Pole position Rider Rolf Steinhausen Time 4:15.400 Fastest lap Rider Alain Michel Time 5:03.700 Podium First Bruno Holzer Second Alain Michel Third Rolf Biland

The 1978 Belgian motorcycle Grand Prix was the seventh round of the 1978 Grand Prix motorcycle racing season. It took place on 2 July 1978 at the Circuit de Spa-Francorchamps. These races, along with the Spa 24 Hours touring car race 3 weeks later were the last international major events held on the old 14 kilometer Spa-Francorchamps circuit.