1983 Belgian motorcycle Grand Prix

1983 Belgian Grand Prix
Race details
Race 9 of 12 races in the; 1983 Grand Prix motorcycle racing season
Date	3 July 1983
Official name	Johnson GP of Belgium
Location	Circuit de Spa-Francorchamps
Course	Permanent racing facility; 6.940 km (4.312 mi);
500cc
Rider
Pole position
Rider	Freddie Spencer
Time	2:32.700
Fastest lap
Rider	Kenny Roberts
Time	2:32.420
Podium
First	Kenny Roberts
Second	Freddie Spencer
Third	Randy Mamola
250cc
Rider
Pole position
Rider	Didier de Radiguès
Time	2:40.720
Fastest lap
Rider	Christian Sarron
Time	2:40.860
Podium
First	Didier de Radiguès
Second	Christian Sarron
Third	Carlos Lavado
125cc
Rider
Pole position
Rider	Pier Paolo Bianchi
Time	2:45.670
Fastest lap
Rider	Eugenio Lazzarini
Time	2:47.560
Podium
First	Eugenio Lazzarini
Second	Ángel Nieto
Third	Ricardo Tormo
50cc
Rider
Pole position
Rider	No 50cc race was held
Fastest lap
Rider	No 50cc race was held
Podium
First	No 50cc race was held
Second	No 50cc race was held
Third	No 50cc race was held

The 1983 Belgian motorcycle Grand Prix was the ninth round of the 1983 Grand Prix motorcycle racing season. It took place on the weekend of 1–3 July 1983 at the Circuit de Spa-Francorchamps.