The 1986 Nations motorcycle Grand Prix was the second race of the 1986 Grand Prix motorcycle racing season. It took place on the weekend of 16–18 May 1986, at the Autodromo Nazionale Monza.

This was the last race of former world champion Marco Lucchinelli.

Classification 500 cc Pos. Rider Team Manufacturer Time/Retired Points 1 Eddie Lawson Marlboro Yamaha Team Agostini Yamaha 46'29.950 15 2 Randy Mamola Team Lucky Strike Roberts Yamaha +5.680 12 3 Mike Baldwin Team Lucky Strike Roberts Yamaha +7.630 10 4 Christian Sarron Team Gauloises Blondes Yamaha Yamaha +10.020 8 5 Didier de Radiguès Rollstar Honda Racing Team Honda +49.000 6 6 Boet van Dulmen Honda +1'43.950 5 7 Pierfrancesco Chili HB Suzuki GP Team Honda +1'53.380 4 8 Fabio Biliotti Team Italia Honda +1 lap 3 9 Paul Lewis Skoal Bandit Heron Suzuki Suzuki +1 lap 2 10 Marco Papa Honda +1 lap 1 11 Dave Petersen HB Suzuki GP Team Suzuki +1 lap 12 Peter Sköld Bakker-Honda +1 lap 13 Henk van der Mark Honda +1 lap 14 Manfred Fischer Team Hein Gericke Honda +1 lap 15 Karl Truchsess Honda +1 lap 16 Wayne Gardner Rothmans Team HRC Honda +1 lap 17 Peter Linden Honda +1 lap 18 Rob Punt Honda +1 lap 19 Marco Marchesani Suzuki +2 laps Ret Rob McElnea Marlboro Yamaha Team Agostini Yamaha Accident Ret Juan Garriga Cagiva Retired Ret Ron Haslam Team ROC Honda Retired Ret Andreas Leuthe Honda Retired Ret Leandro Beccheroni Suzuki Retired Ret Raymond Roche Racing Team Katayama Honda Accident Ret Randy Mamola Team Lucky Strike Roberts Yamaha Accident Ret Josef Doppler HRC Grieskirched Honda Retired Ret Roger Burnett Rothmans Honda Britain Honda Retired Ret Marco Gentile Fior Fior Retired Ret Simon Buckmaster Honda Retired Ret Armando Errico Suzuki Retired Ret Alessandro Valesi Honda Retired Ret Vittorio Scatola Team Paton Paton Retired Ret Robert Jung Honda Retired Ret Marco Lucchinelli Cagiva Retired Ret Vinicio Bogani Suzuki Retired Ret Wolfgang Von Muralt Frankonia-Suzuki Suzuki Retired DNQ Eero Hyvärinen Honda Did not qualify DNQ David Griffith Suzuki Did not qualify DNQ Vincenzo Cascino Suzuki Did not qualify Source:

References