1981 Yugoslavian motorcycle Grand Prix

The 1981 Yugoslavian motorcycle Grand Prix was the seventh round of the 1981 Grand Prix motorcycle racing season. It took place on the weekend of 29–31 May 1981 at the Automotodrom Rijeka.

  1981 Yugoslavian Grand Prix

Race details
Race 7 of 14 races in the 1981 Grand Prix motorcycle racing season
Date	31 May 1981
Official name	Yu Grand Prix[1][2][3]
Location	Automotodrom Rijeka
Course	Permanent racing facility 4.168 km (2.590 mi)
500 cc
Pole position Rider Marco Lucchinelli Time 1:34.100 Fastest lap Rider Marco Lucchinelli Time 1:34.500 Podium First Randy Mamola Second Marco Lucchinelli Third Kenny Roberts
350 cc
Pole position Rider Anton Mang Fastest lap Rider Anton Mang Time 1:36.900 Podium First Anton Mang Second Jon Ekerold Third Carlos Lavado
250 cc
Pole position Rider No 250cc race was held Fastest lap Rider No 250cc race was held Podium First No 250cc race was held Second No 250cc race was held Third No 250cc race was held
125 cc
Pole position Rider Pier Paolo Bianchi Time 1:42.400 Fastest lap Rider Pier Paolo Bianchi Time 1:43.000 Podium First Loris Reggiani Second Pier Paolo Bianchi Third Hans Müller
50 cc
Pole position Rider Stefan Dörflinger Fastest lap Rider Ricardo Tormo Time 1:51.500 Podium First Ricardo Tormo Second Stefan Dörflinger Third Rolf Blatter