Kevin Schwantz won the 1993 world championship in a season marred by the tragic end to his rival Wayne Rainey's career.
With three races remaining, Rainey had battled back to take the championship points lead while Schwantz nursed a wrist injury.
[1] Rainey's accident marked the end of an era of American domination in Grand Prix racing.
[1] Officially, all three bikes gained the injection system at the same time A new star emerged on the 250 scene with Tetsuya Harada taking the crown in a tight battle with Loris Capirossi.
The following Grands Prix were scheduled to take place in 1993:[2][3] Points are awarded to the top fifteen finishers.