1981 Nations motorcycle Grand Prix

  1981 Nations Grand Prix

Race details
Race 4 of 12 races in the 1981 Grand Prix motorcycle racing season
Date	10 May 1981
Official name	Gran Premio delle Nazioni
Location	Autodromo Nazionale Monza
Course	Permanent racing facility 5.800 km (3.604 mi)
500cc
Pole position Rider Marco Lucchinelli Time 1:53.960 Fastest lap Rider Marco Lucchinelli Time 2:06.900 Podium First Kenny Roberts Second Graeme Crosby Third Barry Sheene
350cc
Pole position Rider Anton Mang Fastest lap Rider Jon Ekerold Podium First Jon Ekerold Second Anton Mang Third Massimo Matteoni
250cc
Pole position Rider Anton Mang Time 2:01.520 Fastest lap Rider Anton Mang Time 2:13.810 Podium First Éric Saul Second Maurizio Massimiani Third Anton Mang
125cc
Pole position Rider Pier Paolo Bianchi Fastest lap Rider Guy Bertin Time 2:22.810 Podium First Guy Bertin Second Loris Reggiani Third Jacques Bolle
50cc
Pole position Rider Stefan Dörflinger Fastest lap Rider Ricardo Tormo Podium First Ricardo Tormo Second Stefan Dörflinger Third Hagen Klein

The 1981 Nations motorcycle Grand Prix was the fourth race of the 1981 Grand Prix motorcycle racing season. It took place on the weekend of 8–10 May 1981 at the Autodromo Nazionale Monza.

Classification

500 cc

Pos.	Rider	Team	Manufacturer	Time/Retired	Points
1	Kenny Roberts	Yamaha Motor Company	Yamaha	52'02.100	15
2	Graeme Crosby	Ingersoll Herin Team Suzuki	Suzuki	+4.650	12
3	Barry Sheene		Yamaha	+8.150	10
4	Boet van Dulmen		Yamaha	+33.480	8
5	Marco Lucchinelli	Team Nava Suzuki	Suzuki	+36.170	6
6	Guido Paci		Yamaha	+37.120	5
7	Jack Middelburg	Racing Westland	Suzuki	+1'21.650	4
8	Franco Uncini		Suzuki	+1'26.220	3
9	Christian Sarron	Team Sonauto Gauloises	Yamaha	+1'36.480	2
10	Sergio Pellandini		Suzuki	+1'52.070	1
11	Leandro Becheroni		Suzuki	+1'55.910
12	Gianni Rolando		Lombardini	+1 lap
13	Walter Migliorati		Suzuki	+1 lap
14	Sadao Asami		Yamaha	+1 lap
15	Raymond Roche		Suzuki	+1 lap
16	Seppo Rossi		Suzuki	+1 lap
17	Keith Huewen	Heron Suzuki GB	Suzuki	+1 lap
18	Alain Rothlisberger		Suzuki	+2 laps
19	Stuart Avant	Ellis Racing	Suzuki	+2 laps
20	Marco Papa		Suzuki	+2 laps
21	Peter Sjöström		Suzuki	+2 laps
Ret	Takazumi Katayama	Honda International Racing	Honda	Retired
Ret	Marc Fontan	Team Sonauto Gauloises	Yamaha	Retired
Ret	Fabio Biliotti		Suzuki	Retired
Ret	Christian Estrosi		Suzuki	Retired
Ret	Virginio Ferrari	Cagiva Corse	Cagiva	Retired
Ret	Philippe Coulon		Suzuki	Retired
Ret	Graziano Rossi	Morbidelli	Morbidelli	Retired
Ret	Gianni Pelletier		Suzuki	Retired
Ret	Kork Ballington	Team Kawasaki	Kawasaki	Retired
Ret	Gustav Reiner	Team Solitude Deutschland	Solo	Retired
Ret	Dave Potter		Yamaha	Retired
Ret	Randy Mamola	Ingersoll Herin Team Suzuki	Suzuki	Retired
Ret	Adelio Faccioli		Suzuki	Retired
Ret	Hiroyuki Kawasaki	Ingersoll Herin Team Suzuki	Suzuki	Retired
DNS	Steve Parrish	Team Mitsui Yamaha	Yamaha	Did not start
DNS	Carlo Perugini	Moto Sanvenero	Sanvenero	Did not start
DNQ	Franck Gross		Suzuki	Did not qualify
DNQ	Jon Ekerold	Team Solitude Deutschland	Solo	Did not qualify
DNQ	Josef Hage	Dieter Braun Team	Yamaha	Did not qualify
DNQ	Michael Schmid		Suzuki	Did not qualify
DNQ	Roberto Pietri		Suzuki	Did not qualify
DNQ	Marco Greco		Yamaha	Did not qualify
Sources: