1991 Motocyklowe Mistrzostwa Świata - 500cc

Drivers' Champion United States Wayne Rainey Constructors' Champion Japan Yamaha

Kalendarz i zwycięzcy wyścigów.

Round Circuit Date Winner Vehicle * Entrant
1Japan Suzuka International Racing Course1991.03.24 Suzuki RGV Japan Team Lucky Strike Suzuki
2Australia Eastern Creek1991.04.07 Yamaha YZR United States Marlboro Team Roberts
3United States Laguna Seca1991.04.21 Yamaha YZR United States Marlboro Team Roberts
4Spain Circuito de Jerez1991.05.12 Honda NSR Japan Rothmans Honda
5Italy Misano World Circuit Marco Simoncelli 1991.05.19 Honda NSR Japan Rothmans Honda
6Germany Hockenheimring1991.05.26 Suzuki RGV Japan Team Lucky Strike Suzuki
7Austria Salzburgring1991.06.09 Honda NSR Japan Rothmans Honda
8Spain Jarama1991.06.16 Yamaha YZR United States Marlboro Team Roberts
9Netherlands TT Circuit Assen1991.06.29 Suzuki RGV Japan Team Lucky Strike Suzuki
10France Circuit Paul Ricard1991.07.21 Yamaha YZR United States Marlboro Team Roberts
11United Kingdom Donington Park1991.08.04 Suzuki RGV Japan Team Lucky Strike Suzuki
12San Marino Autodromo Internazionale del Mugello1991.08.18 Yamaha YZR United States Marlboro Team Roberts
13Czechoslovakia Brno1991.08.25 Yamaha YZR United States Marlboro Team Roberts
14France Circuit de la Sarthe1991.09.08 Suzuki RGV Japan Team Lucky Strike Suzuki
15Malaysia Shah Alam1991.09.29 Yamaha YZR United States Marlboro Team Roberts

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