Randy Mamola, riding for the newly formed Kenny Roberts-Yamaha team continued to post good results and finished third in the points chase.
Venezuelan Carlos Lavado earned his second world championship for Yamaha with a strong performance.
Spain's Jorge Martinez ended Stefan Dörflinger's streak of title wins at four.
Angel Nieto announced he was retiring after twenty-three years in Grand Prix racing.
The following Grands Prix were scheduled to take place in 1986:[1][2] [5][6] Points are awarded to the top ten finishers.