1984 San Marino motorcycle Grand Prix

  1984 San Marino Grand Prix

Race details
Race 12 of 12 races in the 1984 Grand Prix motorcycle racing season
Date	2 September 1984
Official name	Grand Prix San Marino[1]
Location	Autodromo Internazionale del Mugello
Course	Permanent racing facility 5.245 km (3.259 mi)
500cc
Pole position Rider Raymond Roche Time 2:03.180 Fastest lap Rider Randy Mamola Time 2:03.750 Podium First Randy Mamola Second Raymond Roche Third Ron Haslam
250cc
Pole position Rider Carlos Lavado Time 2:06.460 Fastest lap Rider Martin Wimmer Time 2:07.220 Podium First Manfred Herweh Second Carlos Lavado Third Jacques Cornu
125cc
Pole position Rider Maurizio Vitali Time 2:11.800 Fastest lap Rider Ángel Nieto Time 2:09.660 Podium First Maurizio Vitali Second Eugenio Lazzarini Third Fausto Gresini
80cc
Pole position Rider Stefan Dörflinger Fastest lap Rider Jorge Martínez Podium First Gerhard Waibel Second Jorge Martínez Third Hubert Abold

The 1984 San Marino motorcycle Grand Prix was the final race of the 1984 Grand Prix motorcycle racing season. It took place on 1–2 September 1984 at the Mugello Circuit.