1991 San Marino motorcycle Grand Prix

  1991 San Marino Grand Prix

Race details
Race 12 of 15 races in the 1991 Grand Prix motorcycle racing season
Date	18 August 1991
Location	Mugello
Course	Permanent racing facility 5.245 km (3.259 mi)
500 cc
Pole position
Rider	Kevin Schwantz
Time	1:54.276
Fastest lap
Rider	Kevin Schwantz
Time	1:54.461
Podium
First	Wayne Rainey
Second	Kevin Schwantz
Third	Mick Doohan
250 cc
Pole position
Rider	Helmut Bradl
Time	1:58.492
Fastest lap
Rider	Luca Cadalora
Time	1:57.865
Podium
First	Luca Cadalora
Second	Carlos Cardús
Third	Loris Reggiani
125 cc
Pole position
Rider	Noboru Ueda
Time	2:06.019
Fastest lap
Rider	Peter Öttl
Time	2:04.988
Podium
First	Peter Öttl
Second	Loris Capirossi
Third	Fausto Gresini

The 1991 San Marino motorcycle Grand Prix was the twelfth round of the 1991 Grand Prix motorcycle racing season. It took place on the weekend of 16–18 August 1991 at the Mugello Circuit.

500 cc race report

5th pole of the season for Kevin Schwantz. Wayne Rainey gets the start from Wayne Gardner, Schwantz and Mick Doohan.

Rainey and Doohan get away, Doohan superior on the brakes at the end of the straight. Schwantz is a close 3rd.

Rainey drops Doohan, who is caught by Schwantz.

500 cc classification

Pos	Rider	Manufacturer	Time/Retired	Points
1	Wayne Rainey	Yamaha	46:08.566	20
2	Kevin Schwantz	Suzuki	+2.946	17
3	Mick Doohan	Honda	+6.066	15
4	Wayne Gardner	Honda	+23.218	13
5	Niall Mackenzie	Yamaha	+33.205	11
6	John Kocinski	Yamaha	+37.614	10
7	Juan Garriga	Yamaha	+39.280	9
8	Didier de Radiguès	Suzuki	+39.566	8
9	Doug Chandler	Yamaha	+52.121	7
10	Jean Philippe Ruggia	Yamaha	+1:15.609	6
11	Eddie Laycock	Yamaha	+1 Lap	5
12	Marco Papa	Cagiva	+1 Lap	4
13	Cees Doorakkers	Honda	+1 Lap	3
14	Michael Rudroff	Honda	+1 Lap	2
15	Hans Becker	Yamaha	+1 Lap	1
16	Josef Doppler	Yamaha	+1 Lap
17	Romolo Balbi	Honda	+1 Lap
18	Andreas Leuthe	Suzuki	+2 Laps
19	Helmut Schutz	Honda	+2 Laps
Ret	Sito Pons	Honda	Retirement
Ret	Michele Valdo	Paton	Retirement
Ret	Eddie Lawson	Cagiva	Retirement
Ret	Adrien Morillas	Yamaha	Retirement