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1974 Grand Prix motorcycle racing season

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1974 F.I.M. Grand Prix motorcycle racing season
Seasons
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Kenny Roberts (11) in action at the 1974 250cc Dutch TT

The 1974 Grand Prix motorcycle racing season was the 26th F.I.M. Road Racing World Championship season.

Season summary

[edit]

MV Agusta rider Phil Read won four of ten rounds to successfully defend his 500cc World Championship in 1974 however, the MV Agusta team no longer dominated the series as they faced increasingly strong opposition from the Japanese manufacturers.[1] Before the start of the season, Giacomo Agostini made the decision to leave the MV Agusta team to accept an offer to race for the Yamaha factory racing team. His decision to leave the MV Agusta team after 10 years and 13 World Championships shocked the motorcycle racing community.[2][3]

Agostini had grown frustrated with teammate Phil Read's role in team politics and came to believe that Read was receiving preferential treatment.[4][5] He was also frustrated by MV Agusta's lack of development since the death of Count Agusta, as Japanese manufacturers continued to improve two-stroke engine technology, while MV Agusta forged ahead as the last manufacturer to compete with four-stroke engines. Italian motorsports journalists treated his departure from MV Agusta as a treasonous act; however, he wanted to prove that he could win on a two-stroke as well as a four-stroke motorcycle.[6] After negotiations with Yamaha's European racing manager and former World Champion Rod Gould, Agostini signed a six-figure contract to join the Yamaha factory racing team for the 1974 season.[2]

Gianfranco Bonera replaced Agostini on the MV Agusta team after Barry Sheene rejected their contract offer to join the Italian team.[7] Read and Bonera competed on the four-stroke MV 500.[1] Yamaha fielded Agostini and Teuvo Länsivuori aboard the Yamaha YZR500. Hideo Kanaya was due to be Agostini's Yamaha teammate for the 1974 season however, he suffered serious injuries while competing in the pre-season Daytona 200 motorcycle race and, he was forced to withdraw from the championship as he recovered from his injuries.[6] Suzuki introduced the Suzuki RG 500 for riders Barry Sheene and Jack Findlay.[1] The RG 500 would become the dominant machine in the 500 class in the late 1970s, carrying Sheene to two consecutive World Championships in 1976 and 1977.[8][9]

Agostini made his highly publicized debut with the Yamaha team with victories at the pre-season Daytona 200 and Imola 200 races; however, his first world championship season with Yamaha was marred by crashes and mechanical failures.[2][3][10][11][12] At the 1974 season-opening round opening round of the 500cc World Championship in France, Agostini was leading the race until he was forced to retire with a gearbox failure, letting Read take the victory.[12] Sheene demonstrated the promise of the new RG 500 with a second-place finish, just 5 seconds behind Read; however, he sustained a broken leg in a crash at the Nations Grand Prix and missed the next six rounds of the World Championship.[6][13]

Safety continued to be an issue with most riders boycotting the German Grand Prix at the Nürburgring as the track had not been fitted with straw bales to accommodate automobile racing on the same day.[1] Thus, rather unknown German riders took all wins. The boycott served as a focal point in the increasingly bitter debate about safety in the wake of the deaths of Jarno Saarinen and Renzo Pasolini in 1973.[1]

Agostini won the third round in Austria then, was leading the Nations Grand Prix with two laps remaining when he ran out of fuel, allowing Bonera to take the victory.[12] Phil Carpenter won the fifth round at the 1974 Isle of Man TT as most of the championship contenders continued to boycott the event over safety concerns.[1] Agostini won again at the Dutch TT but then Read reclaimed the championship points lead with a resounding victory at the 500cc Belgian Grand Prix where he set a record average lap speed of 220.121 km/h (136.777 mph), finishing over one minute ahead of Agostini in second place.[14] At the 500cc Swedish Grand Prix, Agostini suffered a broken shoulder after colliding with Barry Sheene, allowing his Yamaha teammate Länsivuori to take the victory while Read capitalized on Agostini's misfortune by finishing in second place.[12]

Read took advantage of Agostini's continued misfortune by scoring maximum points with a victory at the Finnish Grand Prix while Agostini recovered from his injury. Agostini returned to compete in the season finale in Czechoslovakia but only managed a sixth-place finish while Read won again to claim his second consecutive 500cc World Championship.[15] The 35-year-old Read was the oldest 500cc World Champion since Leslie Graham won the title in 1949 at the age of 37.[6] Read's teammate Bonera finished the season ranked second in the final classifications with Yamaha teammates Länsivuori and Agostini coming in third and fourth.[1] Despite only finishing four races all year, Agostini claimed two victories in Austria and the Netherlands.[1]

Read's 1974 championship marked the seventeenth consecutive 500cc title for the MV Agusta team, going back to 1958. It also marked the last world championship for the Italian team as well as the last world championship for a four-stroke machine until the advent of the MotoGP class in 2002.[1] After the death of Count Agusta in February 1971, MV Agusta's focus turned to the aviation industry. The Count's passion for motorcycle racing had been the driving force behind the MV Agusta team, and without his presence, the racing team's importance within the company began to wither.[16] 1974 would mark the final world championship in MV Agusta's illustrious history and the team withdrew from Grand Prix racing after the 1975 season.[1]

In the 350cc class, the Yamaha TZ350 dominated so thoroughly that the MV Agusta team chose not to compete for the championship.[1] Agostini won five of the ten rounds to claim his seventh consecutive 350cc World Championship and fourteenth World Championship overall ahead of second place, Dieter Braun.[1] However, Agostini's victory at the Austrian Grand Prix only happened after race leader Chas Mortimer allowed Agostini to pass him for the win. Mortimer also rode a Yamaha and was concerned that the Yamaha factory might deny him support if he defeated their top rider.[1] Agostini's 350 World Championship on the Yamaha marked the first time that a two-stroke powered motorcycle had won the 350 title.[1]

Harley-Davidson rider Walter Villa won the 250cc World Championship against a field of competitors almost exclusively riding Yamaha TZ250 motorcycles.[1][17][18] Villa rode the 250cc motorcycle that had been developed by the Italian Aermacchi motorcycle factory along with their rider, Renzo Pasolini.[17][18][19] After Harley-Davidson purchased the Aermacchi factory in 1974, its 250cc Grand Prix racer was rebadged as the Harley-Davidson RR250.[17][18][19] Villa was the only competitor to win multiple Grand Prix races with four victories to finish ahead of the 1973 champion Dieter Braun in second and Patrick Pons in third.[1]

Rookie Takazumi Katayama won the 250cc Swedish Grand Prix in only the third race of his World Championship career.[20] The 1973 AMA champion, Kenny Roberts, made his world championship debut in a one-off appearance in the 250cc class at the Dutch TT. He made an immediate impression when he claimed pole position during qualifying then, broke Mike Hailwood's seven-year-old lap record while pursuing race leader Walter Villa during the race.[6] Roberts eventually crashed but, recovered to finish on the podium with a third-place finish.[6][21]

Kent Andersson won his second consecutive 125cc World Championship for Yamaha. Kreidler continued to dominate the 50cc class with Dutchman Henk van Kessel winning the crown.[1]

British rider Billie Nelson died after crashing into the crowd during the 250cc Yugoslavian Grand Prix, injuring several spectators.[22] He died later that night at a hospital.[22]

1974 Grand Prix season calendar

[edit]
Round Date Race Location 50cc winner 125cc winner 250cc winner 350cc winner 500cc winner Report
1 April 21 France French Grand Prix Charade Netherlands Henk van Kessel Sweden Kent Andersson Italy Giacomo Agostini United Kingdom Phil Read Report
2 April 28 West Germany German Grand Prix Nürburgring Nordschleife West Germany Ingo Emmerich West Germany Fritz Reitmaier West Germany Helmut Kassner West Germany Helmut Kassner West Germany Edmund Czihak Report
3 May 5 Austria Austrian Grand Prix Salzburgring Sweden Kent Andersson Italy Giacomo Agostini Italy Giacomo Agostini Report
4 May 19 Italy Nations Grand Prix Imola Netherlands Henk van Kessel Spain Angel Nieto Italy Walter Villa Italy Giacomo Agostini Italy Franco Bonera Report
5 June 6 United Kingdom Isle of Man TT Snaefell Mountain United Kingdom Charlie Williams United Kingdom Tony Rutter United Kingdom Phil Carpenter Report
6 June 29 Netherlands Dutch TT Assen West Germany Herbert Rittberger Switzerland Bruno Kneubühler Italy Walter Villa Italy Giacomo Agostini Italy Giacomo Agostini Report
7 July 7 Belgium Belgian Grand Prix Spa West Germany Gerhard Thurow Spain Angel Nieto Sweden Kent Andersson United Kingdom Phil Read Report
8 July 21 Sweden Swedish Grand Prix Anderstorp Netherlands Henk van Kessel Sweden Kent Andersson Japan Takazumi Katayama Finland Teuvo Lansivuori Finland Teuvo Lansivuori Report
9 July 28 Finland Finnish Grand Prix Imatra Belgium Julien van Zeebroeck Italy Walter Villa Australia John Dodds United Kingdom Phil Read Report
10 August 25 Czechoslovakia Czechoslovak Grand Prix Brno Netherlands Henk van Kessel Sweden Kent Andersson Italy Walter Villa United Kingdom Phil Read Report
11 September 8 Socialist Federal Republic of Yugoslavia Yugoslavian Grand Prix Opatija Netherlands Henk van Kessel Sweden Kent Andersson United Kingdom Chas Mortimer Italy Giacomo Agostini Report
12 September 22 Spain Spanish Grand Prix Montjuich Netherlands Henk van Kessel Spain Benjamin Grau Australia John Dodds Spain Víctor Palomo Report
Sources:[1][23][24]

Final standings

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Scoring system

[edit]

Points were awarded to the top ten finishers in each race. Only the best of five results were counted in the Sidecars championship, while in the 50cc, 125cc, 250cc, 350cc and 500cc championships, the best of six results were counted.[1]

(key)

Position  1st   2nd   3rd   4th   5th   6th   7th   8th   9th   10th 
Points 15 12 10 8 6 5 4 3 2 1

500cc final standings

[edit]
Place Rider Team Machine FRA
France
GER
Germany
AUT
Austria
NAC
Italy
MAN
United Kingdom
HOL
Netherlands
BEL
Belgium
SWE
Sweden
FIN
Finland
CZE
Czech Republic
Pts
1 United Kingdom Phil Read MV Agusta MV500 1 DNS Ret 3 3 1 2 1 1 82
2 Italy Gianfranco Bonera MV Agusta MV500 3 DNS 2 1 4 10 4 2 2 69
3 Finland Teuvo Länsivuori Yamaha Motor NV YZR500 4 DNS Ret 2 2 Ret 1 3 3 67
4 Italy Giacomo Agostini Yamaha Motor NV YZR500 Ret DNS 1 Ret 1 2 Ret 6 47
5 Australia Jack Findlay Suzuki GB RG500 12 DNS 4 4 Ret Ret 5 Ret 4 7 34
6 United Kingdom Barry Sheene Suzuki GB RG500 2 DNS 3 Ret Ret Ret Ret 4 30
7 West Germany Dieter Braun Mitsui Maschinen TZ350 Ret 5 3 5 22
8 Finland Pentti Korhonen Arwidson Yamaha TZ350 DNS Ret 21 7 19 3 5 9 22
9 United Kingdom Billie Nelson TZ350 6 7 8 7 Ret 18 6 Ret 13 21
10 United Kingdom Charlie Williams H. Dugdale Motors Maxton-TZ350 2 5 Ret Ret Ret 18
11 United Kingdom John Williams Gerald E. Brown Maxton-TZ350 7 DNS 8 Ret 10 7 10 6 18
12 West Germany Helmut Kassner TZ350 2 12 6 20 17
13 Austria Karl Auer Teppichland TZ350 DNS 6 Ret 6 Ret 5 10 17 17
14 United Kingdom Phil Carpenter Norman Ball TZ350 1 15
West Germany Edmund Czihak Zweirad TZ350 1 15
16 France Michel Rougerie Harley-Davidson RR500 5 DNS Ret 6 8 14
17 Switzerland Werner Giger TZ350 Ret Ret 7 9 Ret 7 8 13
18 West Germany Walter Kaletsch TZ350 19 3 10
United Kingdom Tony Rutter Bob Priest TZ350 3 10
20 France Christian Léon Elf Kawasaki-France H1R-RW 13 9 8 Ret 7 9
21 West Germany Udo Kochanski König König 500 4 8
United Kingdom Billie Guthrie Danfay-Yamaha TZ350 4 8
France Patrick Pons Sonauto-Yamaha YZR500 Ret 4 Ret 8
24 Italy Roberto Gallina TZ350 5 6
United Kingdom Paul Cott TZ350 5 6
26 Spain Victor Palomo TZ350 Ret Ret 8 Ret 8 DNS 11 6
27 United Kingdom Alex George Hermetite Ltd TZ350 Ret 6 Ret 13 Ret 12 Ret Ret 5
28 United Kingdom Chas Mortimer TZ350 8 Ret Ret Ret 10 4
29 West Germany Paul Eickelberg König König 500 DNS 9 Ret 12 9 Ret Ret 4
30 United Kingdom Pete McKinley TZ350 8 3
31 United Kingdom Selwyn Griffiths Ray Cowles Motorcycles Matchless G50 9 2
Switzerland Philippe Coulon TZ350 9 2
France Ramon Jimenez TZ350 9 2
United Kingdom Tom Herron Thermo King TZ350 11 15 9 11 16 2
35 France Jean Paul Boinet TZ350 Ret 10 Ret 14 1
United Kingdom Geoff Barry TZ350 10 1
France Philippe Gerard TZ350 10 1
Place Rider Team Machine FRA
France
GER
Germany
AUT
Austria
NAC
Italy
MAN
United Kingdom
HOL
Netherlands
BEL
Belgium
SWE
Sweden
FIN
Finland
CZE
Czech Republic
Pts
Sources:[1][23][24][25][26]

1974 350 cc Roadracing World Championship final standings

[edit]
Place Rider Number Country Machine Points Wins
1 Italy Giacomo Agostini 1 Italy Yamaha TZ350 75 5
2 West Germany Dieter Braun 2 West Germany Yamaha TZ350 62 0
3 France Patrick Pons 12 France Yamaha TZ350 47 0
4 Australia John Dodds 52 Australia Yamaha TZ350 31 1
5 United Kingdom Chas Mortimer 6 Great Britain Yamaha TZ350 29 0
6 Finland Teuvo Länsivuori 48 Finland Yamaha TZ350 27 1
7 Finland Pentti Korhonen 22 Finland Yamaha TZ350 25 0
7 France Michel Rougerie 7 France Harley-Davidson RR350 25 0
9 Spain Víctor Palomo 43 Spain Yamaha TZ350 24 1
10 United Kingdom Billie Nelson 4 Great Britain Yamaha TZ350 21 0
11 United Kingdom Mick Grant 10 Great Britain Yamaha TZ350 18 0
12 Switzerland Bruno Kneubühler 5 Switzerland Yamaha TZ350 17 0
13 United Kingdom Tony Rutter 11 Great Britain Yamaha TZ350 16 1
14 Germany Helmut Kassner 8 West Germany Yamaha TZ350 15 1
15 France Olivier Chevallier 14 France Yamaha TZ350 15 0
16 Italy Walter Villa 19 Italy Harley-Davidson RR350 15 0
17 Germany Wolfgang Stephan 17 West Germany Yamaha TZ350 12 0
17 Italy Mario Lega 16 Italy Yamaha TZ350 12 0
19 France Christian Bourgeois 18 France Yamaha TZ350 11 0
20 United Kingdom Paul Cott 24 Great Britain Yamaha TZ350 10 0
20 Germany Franz Weidacher 49 West Germany Yamaha TZ350 10 0
22 Northern Ireland Tom Herron 3 Northern Ireland Yamaha TZ350 10 0
23 Norway Kjell Solberg Norway Yamaha TZ350 9 0
24 Austria Karl Auer 23 Austria Yamaha TZ350 9 0
25 United Kingdom Alex George 9 Great Britain Yamaha TZ350 8 0
25 Germany Walter Kaletsch 20 West Germany Yamaha TZ350 8 0
27 Switzerland Werner Giger 25 Switzerland Yamaha TZ350 8 0
28 United Kingdom Billie Henderson 47 Great Britain Yamaha TZ350 8 0
29 United Kingdom John Williams 13 Great Britain Yamaha TZ350 7 0
30 Finland Tapio Virtanen 30 Finland Yamaha TZ350 6 0
30 Germany Alfred Heck 21 West Germany Yamaha TZ350 6 0
32 Switzerland Hans Mühlebach Switzerland Yamaha TZ350 5 0
32 Italy Giovanni Proni Italy Yamaha TZ350 5 0
32 Northern Ireland Billie Guthrie Northern Ireland Yamaha TZ350 5 0
32 Germany Winfried Fries West Germany Yamaha TZ350 5 0
36 Italy Giuseppe Elementi Italy Yamaha TZ350 4 0
36 United Kingdom Alan Rogers Great Britain Yamaha TZ350 4 0
36 Germany Udo Kochanski West Germany Yamaha TZ350 4 0
36 France Ramon Jimenez France Yamaha TZ350 4 0
36 United Kingdom John Newbold Great Britain Yamaha TZ350 4 0
41 Germany Wolfgang Rubel West Germany Yamaha TZ350 3 0
41 Switzerland Ulrich Graf Switzerland Yamaha TZ350 3 0
41 United Kingdom Roger Nicholls Great Britain Yamaha TZ350 3 0
41 France Gérard Debrock France Yamaha TZ350 3 0
45 United Kingdom Phil Gurner Great Britain Yamaha TZ350 2 0
45 Netherlands Nico Van Der Zanden Netherlands Yamaha TZ350 2 0
45 Brazil Adu Celso-Santos 29 Brazil Yamaha TZ350 2 0
45 Germany Hans-Joachim Dittberner West Germany Yamaha TZ350 2 0
49 Italy Armando Toracca Italy Yamaha TZ350 1 0
49 United Kingdom Noel Clegg Great Britain Yamaha TZ350 1 0
Sources:[1][27][28][29]

1974 250 cc Roadracing World Championship final standings

[edit]
Place Rider Number Country Machine Points Wins
1 Italy Walter Villa 19 Italy Harley-Davidson RR250 77 4
2 West Germany Dieter Braun 1 West Germany Yamaha TZ250 58 0
3 France Patrick Pons 6 France Yamaha TZ250 50 0
4 Japan Takazumi Katayama 8 Japan Yamaha TZ250 43 1
5 Switzerland Bruno Kneubühler 9 Switzerland Yamaha TZ250 43 0
6 United Kingdom Chas Mortimer 5 United Kingdom Yamaha TZ250 41 1
7 Australia John Dodds 3 Australia Yamaha TZ250 38 1
8 Sweden Kent Andersson 2 Sweden Yamaha TZ250 34 1
9 France Michel Rougerie 7 France Harley-Davidson RR250 21 0
10 United Kingdom Mick Grant 10 United Kingdom Yamaha TZ250 18 0
10 Finland Pentti Korhonen 17 Finland Yamaha TZ250 18 0
12 United Kingdom Charlie Williams 12 United Kingdom Yamaha TZ250 15 1
13 Germany Helmut Kassner 48 West Germany Yamaha TZ250 15 1
14 Northern Ireland Tom Herron 4 Northern Ireland Yamaha TZ250 14 0
15 Switzerland Hans Mühlebach 24 Switzerland Yamaha TZ250 13 0
16 Horst Lahfeld Yamaha TZ250 12
17 Rolf Minhoff Yamaha TZ250 11
18 Victor Palomo Yamaha TZ250 11
19 Harry Hoffman Yamaha TZ250 10
20 Kenny Roberts Yamaha TZ250 10
21 Tony Rutter Yamaha TZ250 10
22 Fritz Reitmaier Yamaha TZ250 8
23 Giovanni Proni Yamaha TZ250 8
24 Matti Salonen Yamaha TZ250 7
25 Olivier Chevallier Yamaha TZ250 7
26 Janos Reisz 6
27 Tapio Virtanen 6
28 Pete McKinley 5
29 Alfred Heck 5
30 Armando Toracca 5
31 Jean Louis Guignabodet 4
32 Ian Richards 4
33 Reinhard Scholtis 4
34 Tierry Tchernine 4
35 H.Kittler 3
36 Gerry Mateer 3
37 Paolo Pileri 3
38 Alex George 2
39 G.Forderer 2
40 A.Van Den Broecke 2
41 Brian Warburton 2
42 John Williams 2
43 Leif Gustafsson 2
44 Jean Paul Boinet 1
45 Barry Randle 1
46 Kjell Solberg 1

1974 125 cc Roadracing World Championship final standings

[edit]
Place Rider Number Country Machine Points Wins
1 Sweden Kent Andersson 1 Sweden Yamaha 87 5
2 Switzerland Bruno Kneubühler Switzerland Yamaha 63 1
3 Spain Angel Nieto 7 Spain Derbi 60 2
4 Italy Otello Buscherini 6 Italy Malanca 60 0
5 Netherlands Henk van Kessel Netherlands Bridgestone 30 0
6 France Thierry Tchernine France Yamaha 25 0
7 Austria Harald Bartol Austria Suzuki 23 0
8 Sweden Leif Gustafsson 4 Sweden Maico 23 0
9 Spain Benjamin Grau Spain Derbi 21 1
10 West Germany Gert Bender West Germany Bender 20 0

1974 50 cc Roadracing World Championship final standings

[edit]
Place Rider Number Country Machine Points Wins
1 Netherlands Henk van Kessel 5 Netherlands Van Veen Kreidler 90 6
2 West Germany Herbert Rittberger West Germany Kreidler 65 1
3 Belgium Julien van Zeebroeck Belgium Kreidler 59 1
4 West Germany Gerhard Thurow 4 West Germany Kreidler 57 1
5 West Germany Rudolf Kunz 9 West Germany Kreidler 52 0
6 Switzerland Ulrich Graf 7 West Germany Kreidler 44 0
7 Netherlands Jan Bruins Netherlands Jamathi 27 0
8 Italy Otello Buscherini 8 Italy Malanca 26 0
9 Switzerland Stefan Dörflinger Switzerland Kreidler 25 0
10 Netherlands Jan Huberts 8 Netherlands Van Veen Kreidler 25 0

References

[edit]
  1. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Noyes, Dennis; Scott, Michael (1999), Motocourse: 50 Years Of Moto Grand Prix, Hazleton Publishing Ltd, ISBN 1-874557-83-7
  2. 1 2 3 "Tie Goes To The Pioneer". cyclenews.com. Retrieved 30 August 2026.
  3. 1 2 "Ago Blitzes Daytona". cyclenews.com. Retrieved 30 August 2026.
  4. ↑ "Unsurpassed GOAT - Giacomo Agostini". amcn.com.au. Retrieved 30 August 2026.
  5. ↑ Cameron, Kevin (May 1, 1994). "Ago". Cycle World. Retrieved 30 August 2026.
  6. 1 2 3 4 5 6 Weeink, Frank; Burgers, Jan (2013), Continental Circus: The Races and the Places, the People and the Faces : Pictures and Stories from the Early Seventies, Mastix Press, ISBN 978-90-818639-5-7
  7. ↑ Mac McDiarmid (11 March 2003). "Barry Sheene obituary at The Independent". independent.co.uk. Retrieved 4 October 2026.
  8. ↑ Barker, Stuart (2019), "Sheene and the Suzuki RG500", Classic Racer, Mortons Media Group Ltd, ISSN 1470-4463
  9. ↑ "SUZUKI RG500: RG BARGY". amcn.com. 14 June 2020. Retrieved 2 September 2026.
  10. ↑ Amick, Bill (January 1975). "1974 Grand National Championship Series Summary". American Motorcyclist. Retrieved 8 March 2017.
  11. ↑ "Imola 200 race results". racingmemo.free.fr. Retrieved 30 December 2025.
  12. 1 2 3 4 "Classic Racers: Giacomo Agostini". classicracer.com. Retrieved 2 December 2025.
  13. ↑ "1974 500cc French Grand Prix final classifications". motogp.com. Retrieved 30 August 2026.
  14. ↑ Hewitt, Sam (2017), "Classic GP: Spa-Francorcamps 1974", Classic Racer, Mortons Motorcycle Media Ltd, ISSN 0959-7123
  15. ↑ "Phil Read career statistics at MotoGP.com". Motogp.com. Retrieved 6 December 2023.
  16. ↑ Cameron, Kevin (April 25, 2023). "What If MV Agusta Had Not Lost Its Leadership in 1971?". Cycle World. Retrieved 30 August 2026.
  17. 1 2 3 "Aermacchi 250 GP Racer; A two-stroke Harley GP machine!". mcnews.com. Retrieved 21 September 2026.
  18. 1 2 3 "Harley by Any Name is Still a Harley". motorcycleclassics.com. Retrieved 21 September 2026.
  19. ↑ "Takazumi Katayama career statistics". motogp.com. Retrieved 19 September 2026.
  20. ↑ "1974 250cc Dutch TT classification". MotoGP.com. Retrieved 2026-08-30.
  21. 1 2 "Billie Nelson at Motorsport Memorial". motorsportmemorial.org. Retrieved 30 August 2026.
  22. 1 2 "1974 500cc World Championship race results". Motogp.com. Retrieved 12 March 2026.
  23. 1 2 "1974 500cc World Championship race results". Motorsportmagazine.com. Retrieved 12 March 2026.
  24. ↑ "1974 Isle of Man Senior TT results". Iomtt.com. Retrieved 19 March 2026.
  25. ↑ "500cc Grand Prix entry lists for 1972 to 1975". F1network.net. Retrieved 12 March 2026.
  26. ↑ "1974 350cc World Championship race results". motogp.com. Retrieved 1 September 2026.
  27. ↑ "MOTO-GP-classements 74-350". Racingmemo.fr. Retrieved July 31, 2026.
  28. ↑ "1974 Isle of Man Junior TT results". iomtt.com. Retrieved 1 September 2026.

Other sources

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