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1991 Grand Prix motorcycle racing season

Sports season

500cc – Wayne Rainey (Yamaha) 250cc – Luca Cadalora (Honda) 125cc – Loris Capirossi (Honda) The 1991 Grand Prix motorcycle racing season was the 43rd F.I.M. Road Racing World Championship season.

Season summary

The beginning of the 1990s marked a golden age for Grand Prix motorcycle racing. The rivalry between Wayne Rainey and Kevin Schwantz was in full flow while Mick Doohan started to come into his own. Eddie Lawson had switched to Cagiva and started to have some respectable results. In a one-year quirk, only 13 races counted as, competitors were allowed to drop their two worst scores. The Yugoslavia round was dropped because of the civil war and replaced with a Grand Prix of Europe at Jarama. The Brazilian round was also dropped at the last minute over track safety concerns and replaced with a race held at Le Mans. The inaugural Malaysian Grand Prix was held at Shah Alam.

For the 1991 season, Michelin decided to supply only the Rothmans Honda team with tires; everybody else used Dunlops.

Luca Cadalora won the 250 title in a dominating fashion with eight wins. In the 125 class, Italian teenager Loris Capirossi swept to the title for the second consecutive year.

1991 Grand Prix season calendar

The following Grands Prix were scheduled to take place in 1991:

Round	Date	Grand Prix
24 March	Japan Kibun Japanese Grand Prix	Suzuka Circuit
7 April	Australia Tooheys Australian Motorcycle Grand Prix	Eastern Creek Raceway
21 April	United States United States International Grand Prix	Laguna Seca Raceway
12 May	Spain Gran Premio de España	Circuito Permanente de Jerez
19 May	Italy Gran Premio d'Italia	Misano World Circuit
26 May	Germany Großer Preis von Deutschland für Motorräder	Hockenheimring
9 June	Austria Großer Preis von Österreich	Salzburgring
16 June	Europe G.P de Europa	Circuito Permanente Del Jarama
29 June	Netherlands Dutch TT	TT Circuit Assen
21 July	France Grand Prix de France	Circuit Paul Ricard
4 August	UK Shell British Motorcycle Grand Prix	Donington Park
18 August	San Marino San Marino Grand Prix	Mugello Circuit
25 August	Czechoslovakia Czechoslovak motorcycle Grand Prix	Brno Circuit
8 September	Pays de la Loire Vitesse du Mans Grand Prix	Bugatti Circuit
29 September	Malaysia Lucky Strike Malaysia Grand Prix	Shah Alam Circuit

Calendar changes

The Australian Grand Prix was moved forward, from 16 September to 7 April.
The German Grand Prix moved from the Nürburgring to the Hockenheimring.
The Yugoslavian Grand Prix was cancelled due to the ongoing Yugoslav Wars.
The Brazilian Grand Prix was initially scheduled, but was cancelled on the last moment due to poor safety standards of the venue.
The Belgian, Swedish and Hungarian Grand Prix were taken off the calendar due to organisational and other type of problems.
The European Grand Prix was added to the calendar as a replacement for the Yugoslavian Grand Prix.
The San Marino Grand Prix returned after a three-year absence on the Mugello circuit.
The French Grand Prix moved from the Bugatti Circuit in Le Mans to the Paul Ricard circuit.
The Vitesse du Mans Grand Prix was added as a one-off Grand Prix to replace the Brazilian Grand Prix and was held on the Bugatti Circuit in Le Mans.
The Malaysian Grand Prix was added to the calendar.

1991 Grand Prix season results

Grands Prix

Round	Date	Race	Location	125cc winner	250cc winner	500cc winner
24 March	Japan Japanese Grand Prix	Suzuka	Japan Noboru Ueda	Italy Luca Cadalora	United States Kevin Schwantz	[Report](1991-japanese-motorcycle-grand-prix)
7 April	Australia Australian Grand Prix	Eastern Creek	Italy Loris Capirossi	Italy Luca Cadalora	United States Wayne Rainey	[Report](1991-australian-motorcycle-grand-prix)
21 April	United States United States Grand Prix	Laguna Seca		Italy Luca Cadalora	United States Wayne Rainey	[Report](1991-united-states-motorcycle-grand-prix)
12 May	Spain Spanish Grand Prix	Jerez	Japan Noboru Ueda	Germany Helmut Bradl	Australia Mick Doohan	[Report](1991-spanish-motorcycle-grand-prix)
19 May	Italy Italian Grand Prix	Misano	Italy Fausto Gresini	Italy Luca Cadalora	Australia Mick Doohan	[Report](1991-italian-motorcycle-grand-prix)
26 May	Germany German Grand Prix	Hockenheim	Germany Ralf Waldmann	Germany Helmut Bradl	United States Kevin Schwantz	[Report](1991-german-motorcycle-grand-prix)
9 June	Austria Austrian Grand Prix	Salzburgring	Italy Fausto Gresini	Germany Helmut Bradl	Australia Mick Doohan	[Report](1991-austrian-motorcycle-grand-prix)
16 June	Europe European Grand Prix	Jarama	Italy Loris Capirossi	Italy Luca Cadalora	United States Wayne Rainey	[Report](1991-european-motorcycle-grand-prix)
29 June	Netherlands Dutch TT	Assen	Germany Ralf Waldmann	Italy Pierfrancesco Chili	United States Kevin Schwantz	[Report](1991-dutch-tt)
21 July	France French Grand Prix	Paul Ricard	Italy Loris Capirossi	Italy Loris Reggiani	United States Wayne Rainey	[Report](1991-french-motorcycle-grand-prix)
4 August	UK British Grand Prix	Donington	Italy Loris Capirossi	Italy Luca Cadalora	United States Kevin Schwantz	[Report](1991-british-motorcycle-grand-prix)
18 August	San Marino San Marino Grand Prix	Mugello	Germany Peter Öttl	Italy Luca Cadalora	United States Wayne Rainey	[Report](1991-san-marino-motorcycle-grand-prix)
25 August	Czechoslovakia Czechoslovak Grand Prix	Brno	Italy Alessandro Gramigni	Germany Helmut Bradl	United States Wayne Rainey	[Report](1991-czechoslovak-motorcycle-grand-prix)
8 September	Pays de la Loire Vitesse du Mans Grand Prix	Le Mans		Germany Helmut Bradl	United States Kevin Schwantz	[Report](1991-vitesse-du-mans-motorcycle-grand-prix)
29 September	Malaysia Malaysian Grand Prix	Shah Alam	Italy Loris Capirossi	Italy Luca Cadalora	United States John Kocinski	[Report](1991-malaysian-motorcycle-grand-prix)

Participants

500cc participants

Team	Constructor	Motorcycle	No.	Rider	Rounds	Yamaha	Yamaha	Yamaha	Yamaha	Honda	Yamaha
Honda	Honda	Yamaha	Honda	Domina	Honda	Paton	Roton	Honda	Honda	Yamaha	Bimota
Suzuki	Yamaha	Honda	Suzuki	Yamaha	Suzuki	Yamaha	Yamaha	Yamaha	Yamaha	??	Source:
Marlboro Team Roberts	Yamaha YZR500	1	USA Wayne Rainey	1–14
19	USA John Kocinski	All
46	USA Robbie Petersen	3
97	USA Rich Oliver	3
Team Roberts Yamaha	Yamaha YZR500	9	AUS Kevin Magee	15
Castrol Yamaha/Team Roberts	Yamaha YZR500	4	GBR Niall Mackenzie	11
Team Roberts Yamaha/Castrol	Yamaha YZR500	21	USA Doug Chandler	All
Rothmans Honda	Honda NSR500	3	AUS Mick Doohan	All
5	AUS Wayne Gardner	1–4, 6–15
Yamaha Sonauto Mobil 1	Yamaha YZR500	4	GBR Niall Mackenzie	12, 14–15
8	FRA Jean-Philippe Ruggia	1–5, 8–12, 14–15
20	FRA Adrien Morillas	1–12, 14–15
Ducados Yamaha	Yamaha YZR500	6	SPA Joan Garriga	All
Cagiva	Cagiva GP500 C591	7	USA Eddie Lawson	1–13
11	ITA Marco Papa	7–8, 11–12, 14–15
12	BRA Alex Barros	1–3, 5, 9
33	FRA Raymond Roche	0 (10)
Team Lucky Strike Suzuki	Suzuki RGV500	9	AUS Kevin Magee	1–2
27	BEL Didier de Radiguès	All
34	USA Kevin Schwantz	1–14
Campsa Honda	Honda NSR500	10	SPA Sito Pons	1–3, 8–15
Moto Club Milano/Team Papa	Honda RS500	11
18	ITA Marco Papa	4–5, 10
Technotron	Honda NSR500	13	CHE Niggi Schmassman	2–5, 8–11, 13, 15
Norton/JPS Racing	Norton RCW588	15	GBR Ron Haslam	11
HEK-Bauwmachines	Honda RS500	16	NED Cees Doorakkers	All
Millar Racing	Yamaha YZR500	17	IRL Eddie Laycock	1–9, 11–15
Librenti Corse	Suzuki RGV500
Honda RS500	23	LUX Andy Leuthe	8, 11–14
R.S. Rallye Sport	Honda NSR500	24	CHE Helmut Schütz	9, 11–12
32
35
39	GER Michael Rudroff	4–14
Itoen	Yamaha YZR500	25	JPN Tatsuro Arata	1
Pentax	Honda NSR500	28	JPN Shinichi Ito	1
Domina	??	29	VEN Larry Moreno Vacondio	0 (5, 12)
MT Racing	Honda NSR500	30	GER Martin Trösch	13
Team Paton	Paton V115 500	30
37
38
39	ITA Michele Valdo	10–12
Roton	Norton RCW588	31	GBR Steve Spray	2
??	Honda RS500	31
36	ITA Romolo Balbi	5, 12
Doppler Racing	Honda RS500	33
35
36
37
38	AUT Josef Doppler	8, 10–13, 15
Kirin Mets	Yamaha YZR500	35	JPN Norihiko Fujiwara	1
Bimota Experience	Bimota Tesi 500
Suzuki RGV500	35
37	ITA Vittorio Scatola	??
Romero Racing Team	Yamaha TZ500	35
36
38
40	GER Hans Becker	4–6, 8–15
Ajinomoto	Honda NSR500	36	JPN Hikaru Miyagi	1
41	JPN Keiichiro Iwahashi	1
Padgett's Racing Team	Suzuki RG 500 gamma	36
37
39	GBR Simon Buckmaster	5–6, 8–10, 12–13
Nescafé	Yamaha YZR500	37	JPN Kunio Machii	1
S.R.T.	Suzuki RGV500	38	JPN Osamu Hiwatashi	1
40	JPN Satoshi Tsujimoto	1
Camel	Yamaha YZR500	39	JPN Keiji Ohishi	1
Y.R.T.R.	Yamaha YZR500	44	JPN Tadahiko Taira	1
BMO-2RS Yamaha	Yamaha YZR500	45	JPN Toshihiko Honma	1
Hayashi	Yamaha YZR500	46	AUS Peter Goddard	1
Vogt	??	50	CHL Vincenzo Cascino	0 (13)

Key
Regular Rider
Wildcard Rider
Replacement Rider

250cc participants

Team	Constructor	Motorcycle	No.	Rider
Repsol-Honda/Cardús	Honda NSR250	2	SPA Carlos Cardús	All
Rothmans-Kanemoto Honda	Honda NSR250	3	ITA Luca Cadalora	All
HB Honda Racing Team Germany	Honda NSR250	4	GER Helmut Bradl	All
Honda RS250R	33	GER Stefan Prein	1–3, 5–15
Sharp-Samson-Bieffe Team	Honda NSR250	5	NED Wilco Zeelenberg	All
Honda RS250R	21	GER Leon van der Heyden	1–5, 8–9
Team Lucky Strike Suzuki	Suzuki RGV250	6	GER Martin Wimmer	All
72	SPA Herri Torrontégui	9–14
HRC Honda/Ajinomoto	Honda NSR250	7	JPN Masahiro Shimizu	All
HRC	Honda NSR250	29	JPN Tadayuki Okada	1
Schuh-Zwafink Racing	Honda RS250R	8	GER Jochen Schmid	All
Iberna Aprilia/Valesi Racing	Aprilia RSV 250	9	ITA Pierfrancesco Chili	All
27	ITA Renzo Colleoni	4–15
Team Gallina/Compagnucci	Yamaha TZ 250	10	FRA Dominique Sarron	4, 6, 8
Team Gallina	Yamaha TZ 250	23	USA Jim Filice	1–3
63
52
41	ITA Stefano Caracchi	11–14
Marlboro/JJ Cobas	JJ Cobas Honda 250	11	SPA Àlex Crivillé	All
Aprilia Unlimited Jeans Team	Aprilia RSV 250	13	ITA Loris Reggiani	All
Flygvapnet	Honda RS250R	14	SWE Peter Lindén	1–2, 6–7, 9–11, 13
Team Greco	Yamaha TZ 250	15	VEN Carlos Lavado	1–6, 9–12
Ducados Yamaha Puig	Yamaha YZR 250	16	SPA Alberto Puig	1–5, 9–15
Team Agostini/API	Yamaha TZ 250	17	ITA Paolo Casoli	All
ÖKM-Aprilia/SK Vöst	Aprilia RSV 250	18	AUT Andy Preining	1–14
OZ Racing System	Aprilia RSV 250	19	ITA Marcellino Lucchi	4–14
52
45
49
46	ITA Renato Colleoni	5, 7, 9, 12
HB Honda Racing Team Italy	Honda RS250R	20	ITA Doriano Romboni	1–8, 12–15
LMC Pennesse Racing	Aprilia RSV 250	22	ITA Stefano Pennesse	5, 7–9, 11–13
25	RSA Wayne Doran	??
JF-Aprilia-Kuhnert	Aprilia RSV 250	30	GER Harald Eckl	2–15
Marlboro Aprilia Mohag	Aprilia RSV 250	32	CHE Bernard Häenggeli	All
49
53
55
47	CHE Eskil Suter	7–8, 10–13
Docshop/Servopax	Aprilia RSV 250	34	NED Patrick van den Goorbergh	4–14
Team St Yrian Motos	Yamaha TZ 250	36
54
37	FRA Jean Foray	4–14
Silkolene Honda Britain	Honda RS250R	39	GBR Alan Carter	??
55
57	GBR Steve Hislop	10–11
FP Moto Team	Aprilia RSV 250	41
48
36
69	FRA Frédéric Protat	1–5, 7–14
Medd Holdings	Yamaha TZ 250	42
39
46
37	GBR Kevin Mitchell	1–4, 6, 10–11, 13
Team Rocker by Gallina	Yamaha TZ 250	43
49
47
42	ITA Fausto Ricci	4–8, 11–13
Tecno Racing/Barrca March	Aprilia RSV 250	44
43
42	SPA Jaime Mariano	1–7
RS Rallye Sport GmbH	Aprilia RSV 250	44
41
54
45	GER Bernd Kassner	5–7, 9–14
Rothmans Honda Italy	Honda RS250R	45
41
48
50
57
59	ITA Corrado Catalano	All
Swiss Yamaha Team	Yamaha TZ 250	47
46
48
44
40	CHE Urs Jücker	All
Trans Freight Europa	Yamaha TZ 250	48
53
40
50
38	GBR Ian Newton	2–10, 12–15
Rothmans Honda France	Honda RS250R	51	FRA Jean-Pierre Jeandat	All
Nescafé Yamaha Racing Team	Yamaha YZR 250	52	JPN Tetsuya Harada	1
??	Honda NSR250	53	JPN Masumitsu Taguchi	1
Racing Team Udagawa	Honda NSR250	54	JPN Tsutomu Udagawa	1
Cup Noodle Racing Team	Honda NSR250	55	JPN Nobuatsu Aoki	1
Jha Racing	Honda RS250R	57
40
52	JPN Katsuyoshi Kozono	1, 7–9, 15
Team Italia	Aprilia RSV 250	60
58
46	ITA Max Biaggi	8, 10–12
??	Yamaha YZR 250	61	JPN Kyoji Nanba	1
AMS Mauri Racing	Aprilia RSV 250	65
50
38
42
54
37	FIN Erkka Korpiaho	4–5, 7–11, 13–14
Tecno Racing	Aprilia RSV 250	72
56	SPA Herri Torrontégui	9–14

Key
Regular Rider
Wildcard Rider
Replacement Rider

125cc participants

Team	Constructor	Motorcycle	No.	Rider
AGV-Pileri Corse	Honda RS125R	1	ITA Loris Capirossi	1–2, 4–13, 15
7	ITA Fausto Gresini	1–2, 4–13, 15
Sharp Samson Racing Team	Honda RS125R	2	NED Hans Spaan	1–2, 4–13, 15
46	NED Arie Molenaar	1, 4–13, 15
Team Semprucci IDM	Honda RS125R	3	ITA Bruno Casanova	1–2, 4–13, 15
Schuh HB Honda Racing Team	Honda RS125R	4	GER Dirk Raudies	1–2, 4–13, 15
Elf Coronas Racing Team	JJ Cobas Honda RS125R	5	SPA Jorge Martínez	1–2, 4–13, 15
14	SPA Julián Miralles	1, 4–13
?	SPA Jaime Mariano	8–9
Metraux	Honda RS125R	5	SPA Jorge Martínez	1–2, 4–13, 15
Derbi Racing Team	Aprilia RS125R	6	ITA Ezio Gianola	1–2, 4–12
66
62	SPA Luis Alvaro	4–11, 13
Team Italia	Aprilia RS125R	9	ITA Alessandro Gramigni	1–2, 4–13
12	ITA Gabriele Debbia	1–2, 4–13, 15
RS Rallye Sport GmbH	??	11	GER Adi Stadler	1–2, 4–13, 15
Gazzaniga Corse	Gazzaniga 125	15	ITA Maurizio Vitali	1–2, 4–13, 15
34	ITA Emilio Cuppini	1–2, 4–7, 9, 11–13, 15
Team Takeshima	Honda RS125R	16	JPN Koji Takada	1–2, 4–5, 9–13, 15
Derek Clarke Racing Team/Levior	Honda RS125R	17	GBR Steve Patrickson	1–2, 4–5, 7–9, 11–13
Colin Appleyard Racing	Honda RS125R	18	GBR Robin Appleyard	1–2, 4, 6, 8, 10–11, 15
??	Honda RS125R	19	GER Alfred Waibel	1–2, 4–7, 9–10, 13
Team Unemoto	Honda RS125R	20	JPN Hisashi Unemoto	1–2, 4–8, 10–13, 15
AGV Racing Team	Rotax 125 GP	22	GER Peter Öttl	4–13
AGV/MDS Racing Team	Rotax 125 GP	63
57	GER Stefan Kurfiss	6, 8–13
JJ Cobas Ducados-Agrati	Honda RS125R	26	SPA Francisco Debón	2, 4–6
HB Italy/Gilera Club	Honda RS125R	27	ITA Gimmi Bosio	1–2, 4–8, 10, 13
Schuh/Zwafink Honda Racing	Honda RS125R	28	GER Ralf Waldmann	1–2, 4–13
Team Driza Bone	Honda RS125R	29	AUS Peter Galvin	1–2, 4, 7–12, 15
Team Elf Kepla/Meiko	Honda RS125R	35	JPN Kazuto Sakata	1–2, 4–13, 15
Clay Cross Motorcycles	Honda RS125R	36
45
62	GBR Ian McConnachie	4–9, 11, 13
Silja Line Racing Team	Honda RS125R	39
51
40	FIN Johnny Wickström	1–2, 5–13
Ville de Thiers	Honda RS125R	41	FRA Alain Bronec	4–5, 7–13
Herri Racing Team	??	42	SPA Herri Torrontegui	1–2, 4–8
44
40	SPA Javier Torrontegui	??
Racing Team Honda Cartagena	Honda RS125R	43	FRA Manuel Hernández	4–5, 8, 10–11
BP Racing Team Switzerland	Honda RS125R	45	CHE Thierry Feuz	1–2, 4–8
Marlboro Aprilia Mohag	Aprilia RS125R	45
48
76	CHE Oliver Petrucciani	1–2, 7–13, 15
Dianetik Racing Team	Honda RS125R	49	CHE René Dünki	2, 6, 12–13
Moto Co Team Kepla	Honda RS125R	50	GER Hubert Abold	1–2
Team Ducados	??	50
61
75	SPA Antonio Sánchez	10-12
53
60
76	SPA Carlos Giró Jr.	10–11
Moto Bum Racing Team	Honda RS125R	51
52
61
36
39	JPN Nobuyuki Wakai	1, 4–13, 15
??	Honda RS125R	53	JPN Akira Saito	1
??	Honda RS125R	54	JPN Soichiro Satoh	1
??	Honda RS125R	55	JPN Masato Shima	1
Ringleberg Team	Honda RS125R	55
52
71	NED Jos Van Dongen	4, 6–7, 9–13
Hero Sports TS	Honda RS125R	56
60
36
30
37	JPN Noboru Ueda	1–2, 4–5, 7–13, 15
ICM Racing Associates	Honda RS125R	58
73
60
33
43	JPN Kinya Wada	1–2, 5–13, 15
Eugenio Lazzarini Racing	Honda RS125R	61
38	ITA Serafino Foti	5, 7, 9, 11–13, 15
Team Brägger	Honda RS125R	62	CHE Stefan Brägger	6, 8, 10, 13

Key
Regular Rider
Wildcard Rider
Replacement Rider

Results and standings

500cc riders' standings

;Scoring system Points are awarded to the top fifteen finishers. A rider has to finish the race to earn points.

Position	Points
1st	2nd
20	17

Pos	Rider	Bike	[JPN](1991-japanese-motorcycle-grand-prix)
Japan	[AUS](1991-australian-motorcycle-grand-prix)
Australia	[USA](1991-united-states-motorcycle-grand-prix)
United States	[ESP](1991-spanish-motorcycle-grand-prix)
Spain	[ITA](1991-italian-motorcycle-grand-prix)
Italy	[GER](1991-german-motorcycle-grand-prix)
Germany	[AUT](1991-austrian-motorcycle-grand-prix)
Austria	[EUR](1991-european-motorcycle-grand-prix)
Europe	[NED](1991-dutch-tt)
Netherlands	[FRA](1991-french-motorcycle-grand-prix)
France	[GBR](1991-british-motorcycle-grand-prix)
Great Britain	[RSM](1991-san-marino-motorcycle-grand-prix)
San Marino	[TCH](1991-czechoslovak-motorcycle-grand-prix)
Czech Republic	[VDM](1991-vitesse-du-mans-motorcycle-grand-prix)
Pays de la Loire	[MAL](1991-malaysian-motorcycle-grand-prix)
Malaysia	Pts	1	233	2	224	3	204	4	161	5	161	6	126	7	121	8	105	9	85	10	78	11	71	12	57	13	46	14	40	15	40	16	36	17	34	18	26	19	19	20	13	21	7	22	6	23	5	24	5	25	4	26	4	27	4	28	3	29	3	30	1	31	1	Pos	Rider	Bike	[JPN](1991-japanese-motorcycle-grand-prix)
Japan	[AUS](1991-australian-motorcycle-grand-prix)
Australia	[USA](1991-united-states-motorcycle-grand-prix)
United States	[ESP](1991-spanish-motorcycle-grand-prix)
Spain	[ITA](1991-italian-motorcycle-grand-prix)
Italy	[GER](1991-german-motorcycle-grand-prix)
Germany	[AUT](1991-austrian-motorcycle-grand-prix)
Austria	[EUR](1991-european-motorcycle-grand-prix)
Europe	[NED](1991-dutch-tt)
Netherlands	[FRA](1991-french-motorcycle-grand-prix)
France	[GBR](1991-british-motorcycle-grand-prix)
Great Britain	[RSM](1991-san-marino-motorcycle-grand-prix)
San Marino	[TCH](1991-czechoslovak-motorcycle-grand-prix)
Czech Republic	[VDM](1991-vitesse-du-mans-motorcycle-grand-prix)
Europe	[MAL](1991-malaysian-motorcycle-grand-prix)
Malaysia	Pts
United States Wayne Rainey	Yamaha	3	1	1	3	9	2	2	1	2	1	2	1	1	3
Australia Mick Doohan	Honda	2	2	2	1	1	3	1	2	Ret	2	3	3	2	2	3
United States Kevin Schwantz	Suzuki	1	5	3	Ret	7	1	3	4	1	4	1	2	5	1
United States John Kocinski	Yamaha	4	3	Ret	2	2	Ret	9	5	6	DNS	4	6	3	4	1
Australia Wayne Gardner	Honda	5	4	7	7		5	4	3	3	10	5	4	4	5	2
United States Eddie Lawson	Cagiva	6	6	5	6	3	4	5	Ret	4	3	6	Ret	8
Spain Juan Garriga	Yamaha	7	Ret	8	4	8	7	6	6	12	11	9	7	6	6	4
Belgium Didier de Radiguès	Suzuki	14	10	10	8	Ret	6	8	10	5	7	8	8	7	8	8
United States Doug Chandler	Yamaha	11	12	Ret	10	6	9	7	9	11	6	Ret	9	10	7	Ret
France Jean-Philippe Ruggia	Yamaha	Ret	7	4	5	5			7	8	5	Ret	10	Ret	Ret	Ret
France Adrien Morillas	Yamaha	12	9	9	9	Ret	8	Ret	8	9	8	Ret	Ret	Ret	10	7
Ireland Eddie Laycock	Yamaha	Ret	13	13	11	10	10	10	12	Ret		11	11	11	11	12
Brazil Alex Barros	Cagiva	10	8	6		4				7
Spain Sito Pons	Honda	8	Ret	Ret					11	10	9	Ret	Ret	9	9	Ret
Netherlands Cees Doorakkers	Honda	22	14	14	13	12	11		13	13	12	14	13	13	Ret	10
Italy Marco Papa	Honda				12	11		12	Ret		13	10	12		13	9
United Kingdom Niall Mackenzie	Yamaha											7	5		12	6
Germany Michael Rudroff	Honda				15	15	12	11	14	14	14	13	14	12	Ret
Australia Kevin Magee	Suzuki	13	11													5
Germany Harald Becker	Yamaha				14	Ret	13		16	Ret	Ret	Ret	15	14	Ret	11
Japan Keiichiro Iwahashi	Honda	9
United Kingdom Simon Buckmaster	Suzuki					14	14		Ret	Ret				15	15
United States Rich Oliver	Yamaha			11
Switzerland Niggi Schmassman	Honda		16	15	Ret	Ret			15	15	Ret	Ret		17		14
United Kingdom Ron Haslam	Norton											12
United States Robbie Petersen	Yamaha			12
Austria Josef Doppler	Yamaha								17		15	17	16	16		13
Italy Romolo Balbi	Honda					13							17
Luxembourg Andy Leuthe	Suzuki								Ret			15	18	Ret	14
United Kingdom Steve Spray	Norton		15
Australia Peter Goddard	Yamaha	15

Bold – Pole Position |}

250cc riders' standings

;Scoring system Points are awarded to the top fifteen finishers. A rider has to finish the race to earn points.

Position	Points
1st	2nd
20	17

Pos	Rider	Bike	[JPN](1991-japanese-motorcycle-grand-prix)
Japan	[AUS](1991-australian-motorcycle-grand-prix)
Australia	[USA](1991-united-states-motorcycle-grand-prix)
USA	[ESP](1991-spanish-motorcycle-grand-prix)
ESP	[ITA](1991-italian-motorcycle-grand-prix)
ITA	[GER](1991-german-motorcycle-grand-prix)
GER	[AUT](1991-austrian-motorcycle-grand-prix)
AUT	[EUR](1991-european-motorcycle-grand-prix)
EUR	[NED](1991-dutch-tt)
NED	Points	Wins
1	Italy Luca Cadalora	Honda	1	1	1	2	1	4	5	1	2	237	5
2	Germany Helmut Bradl	Honda	7	2	8	1	2	1	1	2	4	220	3
3	Spain Carlos Cardús	Honda	2	3	4	6	6	2	2	3	5	205	0
4	Netherlands Wilco Zeelenberg	Honda	3	4	2	Ret	5	3	3	4	3	158	0
5	Japan Masahiro Shimizu	Honda	8	Ret	5	4	7	5	6	6	6	142	0
6	Italy Loris Reggiani	Aprilia	9	5	3	3	4	Ret	8	5	Ret	128	0
7	Italy Pierfrancesco Chili	Aprilia	17	6	Ret	5	3	Ret	4	Ret	1	107	1
8	Germany Jochen Schmid	Honda	13	8	10	7	8	8	7	8	Ret	96	0
9	Germany Martin Wimmer	Suzuki	14	Ret	7	8	19	9	13	9	7	89	0
10	Italy Paolo Casoli	Yamaha	26	9	Ret	Ret	10	11	11	10	8	65	0
11	Austria Andy Preining	Aprilia	19	7	6	Ret	9	6	Ret	14	20	60
12	France Jean Pierre Jeandat	Honda	18	11	11	12	11	14	Ret	13	10	59
13	Spain Àlex Crivillé	Honda	Ret	Ret	9	Ret	Ret	7	9	Ret	Ret	51
14	Venezuela Carlos Lavado	Yamaha	25	10	12	11	14	15	DNS		9	34
15	Italy Doriano Romboni	Honda	Ret	Ret	13	9	Ret	13	Ret	7	Ret	32
16	Spain Alberto Puig	Yamaha	21	Ret	Ret	10	Ret	DNS		DNS	Ret	28
17	Germany Stefan Prein	Honda	20	Ret	15	DNS	15	10	10	Ret	Ret	28
18	Germany Harald Eckl	Aprilia		Ret	14	Ret	16	12	12	19	11	22
19	Japan Katsuyoshi Kozono	Honda	11						21	11	12	20
20	Italy Renzo Colleoni	Aprilia				Ret	13	Ret	25	Ret	Ret	19
21	Switzerland Bernard Haenggeli	Aprilia	32	12	17	17	Ret	Ret	22	Ret	13	15
22	Japan Masumitsu Taguchi	Honda	4									13
23	Japan Nobuatsu Aoki	Honda	5									13
24	Japan Tetsuya Harada	Yamaha	6									10
25	Spain Herri Torrontegui	Aprilia									Ret	8
26	Finland Erkka Korpiaho	Aprilia				Ret	12	DNS	14	17	Ret	8
27	Italy Max Biaggi	Aprilia								Ret		7
28	Japan Tsutomu Udagawa	Honda	10									6
29	Italy Marcellino Lucchi	Aprilia				Ret	Ret	22	Ret	Ret	14	5
30	Jose Barresi											4
30	Japan Kyoji Nanba	Yamaha	12									4
30	France Dominique Sarron	Yamaha				Ret		16		12		4
33	France Frederic Protat	Aprilia	30	13	Ret	Ret	Ret	DNS	Ret	15	17	4
34	Switzerland Urs Jücker	Yamaha	27	14	18	15	18	Ret	Ret	18	16	4
35	Netherlands Leon Van Der Heyden	Honda	23	Ret	19	13	Ret	DNS		22	Ret	3
35	Netherlands Patrick van den Goorbergh	Yamaha				14	21	19	23	20	15	3
37	Netherlands Jurgen van den Goorbergh											2
38	ItalyCorrado Catalano	Honda	Ret	Ret	24	Ret	Ret	Ret	15	Ret	Ret	1
38	Germany Bernd Kassner	Honda					22	17	20		21	1
38	Japan Toshi Arakaki	Honda	15									1
38	Great Britain Kevin Mitchell	Yamaha	29	15	Ret	Ret		20	DNS			1
	Spain Jaime Mariano	Aprilia	Ret	17	20	16	17	Ret	18			0
	Italy Fausto Ricci	Yamaha				19	Ret	18	16	Ret	DNQ	0
	Italy Stefano Pennese	Aprilia					Ret	DNS	19	16	Ret	0
	USA Jim Filice	Yamaha	31	Ret	16							0
	Japan Osamu Miyazaki	Yamaha	16									0
	Australia Stephen Whitehouse	Yamaha		16								0
	Switzerland Eskil Suter	Aprilia							17	23		0
	Great Britain Ian Newton	Yamaha		Ret	27	18	Ret	24	26	21	19	0
	France Jean Foray	Yamaha				20	24	21	27	Ret	18	0
	Australia David Horton	Yamaha		18								0
	Australia Gavin Johnston	Yamaha		19								0
	Italy Renato Colleoni	Aprilia					20		24			0
	Australia Warren Palesy	Yamaha		20								0
	Australia Michael Haisman	Yamaha		21								0
	USA Nick Ienatsch	Yamaha			21							0
	Sweden Peter Linden	Honda	28	Ret				25	Ret		22	0
	Japan Takehiko Kurokawa	Honda	22									0
	New Zealand Scott Buckley	Yamaha		22								0
	USA Chris D'Aluisio	Yamaha			22							0
	ZAF Wayne Doran	Aprilia					23	23	28			0
	Canada Jon Cornwell	Yamaha			25						23	0
	USA Rick Kirk	Yamaha			23							0
	Japan Yoshiaki Kato	Yamaha	24									0
	USA Mike Sullivan	Yamaha			26							0
	Japan Hiroyuki Yamagishi	Honda	Ret									0
	Australia Darren Milner	Yamaha		Ret								0
	Australia Trevor Manley	Yamaha		Ret								0
	Australia Ricky Rice	Yamaha		Ret								0
	USA Alan Scott	Yamaha			Ret							0
	Canada Rick Tripodi	Yamaha			Ret							0
	Spain Daniel Amatriain	Aprilia								Ret		0
	Italy Stefano Caracchi	Yamaha									DNQ	0

125cc standings

Place	Rider	Number	Country	Machine	Points	Wins
1	Italy Loris Capirossi	1	Italy	Honda	200	5
2	Italy Fausto Gresini	8	Italy	Honda	181	2
3	West Germany Ralf Waldmann	28	Germany	Honda	141	2
4	Italy Gabriele Debbia	12	Italy	Aprilia	111	0
5	Japan Noboru Ueda	56	Japan	Honda	105	2
6	Spain Jorge Martínez	6	Spain	Cobas	99	0
7	Italy Alessandro Gramigni	9	Italy	Aprilia	90	1
8	Germany Dirk Raudies	5	Germany	Honda	81	0
9	Germany Peter Öttl	22	Germany	Rotax	67	1
10	Japan Nobuyuki Wakai	51	Japan	Honda	60	0
11	Switzerland Heinz Lüthi	10	Switzerland	Honda	56	0
12	Germany Adi Stadler	11	Germany	Cobas	56	0
13	Japan Kazuto Sakata	35	Japan	Honda	55	0
14	Netherlands Hans Spaan	2	Netherlands	Honda	54	0
15	Italy Bruno Casanova	3	Italy	Honda	45	0
16	Italy Ezio Gianola	6	Italy	Derbi	32	0
17	Japan Koji Takada	16	Japan	Honda	28	0
18	Italy Maurizio Vitali	15	Italy	Gazzaniga	27	0
19	Japan Hisashi Unemoto		Japan	Honda	15	0
20	Japan Kinya Wada	73	Japan	Honda	14	0
21	Japan Masato Shima		Japan	Honda	13	0
22	Spain Luis Alvaro	66	Spain	Derbi	13	0
23	Switzerland Oliver Petrucciani	47	Switzerland	Aprilia	13	0
24	Spain Herri Torrontegui		Spain	Cobas	12	0
25	Spain Andres Sanchez		Spain	Cobas	12	0
26	Italy Gimmi Bosio		Italy	Honda	12	0
27	Spain Julián Miralles	14	Spain	Cobas	10	0
28	Germany Alfred Waibel	19	Germany	Honda	9	0
29	Japan Akira Saito		Japan	Honda	8	0
30	Japan Sinya Sato		Japan	Honda	7	0
31	Spain Carlos Giro Jr.		Spain	Cobas	7	0
32	Netherlands Arie Molenaar	46	Netherlands	Honda	7	0
33	Spain Manuel Herreros		Spain	Cobas	6	0
34	UK Ian McConnachie	62	United Kingdom	Kawasaki	5	0
35	UK Steve Patrickson		United Kingdom	Honda	5	0
36	Finland Johnny Wickstroem		Finland	Cobas	5	0
37	Japan Yosuke Yamakawa		Japan	Honda	3	0
38	Australia Peter Galvin	29	Australia	Honda	2	0
39	France Alain Bronec	41	France	Honda	2	0

References

Büla, Maurice & Schertenleib, Jean-Claude (2001). Continental Circus 1949-2000. Chronosports S.A.

References

(1999). "Motocourse: 50 Years Of Moto Grand Prix". Hazleton Publishing Ltd.
Scott, Michael: "Wayne Rainey", page 151. Haynes Publishing, 1997.
(25 July 2015). "Grand Prix uitslagen en bijzonderheden 1991".
(12 June 2017). "1991 World Motorcycle Championship".
"500cc Grand Prix entry list for 1991".
"250cc Grand Prix entry list for 1991".
"125cc Grand Prix entry list for 1991".
"motogp.com · 500cc World Standing 1991".
"500cc Grand Prix entry list for 1991".
"motogp.com · 250cc World Standing 1991".
"250cc Grand Prix entry list for 1991".

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