1985 Nations motorcycle Grand Prix

Date26 May 1985

Official nameGran Premio delle Nazioni^[1][2][3]

LocationAutodromo Internazionale del Mugello

Course

• Permanent racing facility
• 5.245 km (3.259 mi)

  1985 Nations Grand Prix

Race details
Race 4 of 12 races in the 1985 Grand Prix motorcycle racing season
Date	26 May 1985
Official name	Gran Premio delle Nazioni[1][2][3]
Location	Autodromo Internazionale del Mugello
Course	Permanent racing facility 5.245 km (3.259 mi)
500cc
Pole position Rider Freddie Spencer Time 2:01.490 Fastest lap Rider Freddie Spencer Time 2:02.220 Podium First Freddie Spencer Second Eddie Lawson Third Wayne Gardner
250cc
Pole position Rider Martin Wimmer Time 2:04.600 Fastest lap Rider Freddie Spencer Time 2:05.570 Podium First Freddie Spencer Second Carlos Lavado Third Fausto Ricci
125cc
Pole position Rider August Auinger Time 2:09.860 Fastest lap Rider Luca Cadalora Time 2:10.700 Podium First Pier Paolo Bianchi Second Ezio Gianola Third Lucio Pietroniro
80cc
Pole position Rider Stefan Dörflinger Time 2:14.980 Fastest lap Rider Jorge Martínez Podium First Jorge Martínez Second Manuel Herreros Third Stefan Dörflinger

The 1985 Nations motorcycle Grand Prix was the fourth race of the 1985 Grand Prix motorcycle racing season. It took place on the weekend of 24–26 May 1985 at the Mugello Circuit.