| April 21, 1991|
| Laguna Seca|
| Permanent racing facility
3.520 km (2.187 mi)|
The 1991 United States motorcycle Grand Prix was the third round of the 1991 Grand Prix motorcycle racing season. It took place on the weekend of April 19–21, 1991 at Laguna Seca.
1991 United States motorcycle Grand Prix Wikipedia
Wayne Rainey on pole; a second covers 1st – 5th. Kevin Schwantz takes the hairpin from Rainey and Mick Doohan. Rainey very eagerly gets past Schwantz in the next turn. Through the Corkscrew it’s Rainey, Schwantz, John Kocinski, Eddie Lawson and Wayne Gardner.
Rainey opens up a gap and Kocinski closes on Schwantz. Kocinski passes on turn 11, but crashes out half a lap later. Rainey wins with a large gap.
According to Michael Scott, Kocinski was so upset after the loss that he drove away from the track recklessly and refused to pull over when stopped by a policeman; he was arrested and sentenced to community service.