Added the 1986 and 1987 500cc season By adminAuthor / Last Update July 17, 2016 / Added the 1990 125cc and 1991 250cc seasons Work in progress…. The 1986 500cc season was one of the best in the history of MXGP. We added the statistics and pictures, and as a bonus included the 1987 season as well! Enjoy. Leave a Reply Cancel replyYou must be logged in to post a comment.