| Race details | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Race 8 of 8 races in the 1955 Grand Prix motorcycle racing season | |||||||||||||||||||||||||||
 | |||||||||||||||||||||||||||
| Date | 4 September 1955 | ||||||||||||||||||||||||||
| Location | Autodromo Nazionale Monza | ||||||||||||||||||||||||||
| Course |
| ||||||||||||||||||||||||||
| 500cc | |||||||||||||||||||||||||||
| |||||||||||||||||||||||||||
| 350cc | |||||||||||||||||||||||||||
| |||||||||||||||||||||||||||
| 250cc | |||||||||||||||||||||||||||
| |||||||||||||||||||||||||||
| 125cc | |||||||||||||||||||||||||||
| |||||||||||||||||||||||||||
| Sidecar (B2A) | |||||||||||||||||||||||||||
| |||||||||||||||||||||||||||
The 1955 Nations motorcycle Grand Prix was the eighth and final round of the 1955 Grand Prix motorcycle racing season. It took place on 4 September 1955 at the Autodromo Nazionale Monza.
| Pos | Rider | Manufacturer | Laps | Time | Points |
|---|---|---|---|---|---|
| 1 |  Umberto Masetti | MV Agusta | 35 | 1:08:04.1 | 8 |
| 2 |  Reg Armstrong | Gilera | 35 | +0.5 | 6 |
| 3 |  Geoff Duke | Gilera | 35 | +1.6 | 4 |
| 4 | Giuseppe Colnago | Gilera | 3 | ||
| 5 | Alfredo Milani | Gilera | 2 | ||
| 6 |  Ernst Riedelbauch | BMW | 1 | ||
| 7 |  Gerold Klinger | BMW | |||
| 8 | Bill Hall | Norton | |||
| 9 | Enrico Galante | Norton | |||
| 10 | A. Cirelli | Gilera | |||
| [1] | |||||
| Pos | Rider | Manufacturer | Laps | Time | Points |
|---|---|---|---|---|---|
| 1 | Dickie Dale | Moto Guzzi | 27 | 55:21.3 | 8 |
| 2 | Bill Lomas | Moto Guzzi | 27 | +0.1 | 6 |
| 3 |  Ken Kavanagh | Moto Guzzi | 27 | +13.1 | 4 |
| 4 | Enrico Lorenzetti | Moto Guzzi | 3 | ||
| 5 | August Hobl | DKW | 2 | ||
| 6 | Roberto Colombo | Moto Guzzi | 1 | ||
| 7 | Helmut Hallmeier | NSU | |||
| 8 | Siegfried Wünsche | DKW | |||
| 9 | Arthur Wheeler | AJS | |||
| 10 | Lodovico Facchinelli | AJS | |||
| 11 | Bill Hall | Norton | |||
| 12 | Erwin Aldinger | Horex | |||
| 13 |  Sven Andersson | Norton | |||
| 14 |  Arthur Wick | AJS | |||
| [1] | |||||
| Pos | Rider | Manufacturer | Laps | Time | Points |
|---|---|---|---|---|---|
| 1 | Carlo Ubbiali | MV Agusta | 22 | 46:34.1 | 8 |
| 2 | Hans Baltisberger | NSU | 22 | +0.3 | 6 |
| 3 | Sammy Miller | NSU | 22 | +15.6 | 4 |
| 4 | Hermann Paul Müller | NSU | 3 | ||
| 5 | Bill Lomas | MV Agusta | 2 | ||
| 6 | Umberto Masetti | MV Agusta | 1 | ||
| 7 | Roberto Colombo | Moto Guzzi | |||
| 8 | Kurt Knopf | NSU | |||
| 9 | Karl Lottes | DKW | |||
| 10 | Arthur Wheeler | Moto Guzzi | |||
| 11 | Günter Beer | Adler | |||
| 12 | Adelmo Mandolini | Moto Guzzi | |||
| 13 | Lanfranco Baviera | Moto Guzzi | |||
| 14 |  Alfredo Flores | Moto Guzzi | |||
| 15 | Dino Fagiolini | Moto Guzzi | |||
| 16 |  René Guérin | Moto Guzzi | |||
| 17 | Guido Sala | Moto Guzzi | |||
| [1] | |||||
| Pos | Rider | Manufacturer | Laps | Time/Retired | Points |
|---|---|---|---|---|---|
| 1 | Carlo Ubbiali | MV Agusta | 18 | 41:03.8 | 8 |
| 2 | Remo Venturi | MV Agusta | 18 | +27.1 | 6 |
| 3 | Angelo Copeta | MV Agusta | 18 | +1:42.2 | 4 |
| 4 | August Hobl | DKW | 18 | +1:44.5 | 3 |
| 5 | Siegfried Wünsche | DKW | 17 | +1 lap | 2 |
| 6 | Paolo Campanelli | Mondial | 17 | +1 lap | 1 |
| 7 | Guido Sala | MV Agusta | |||
| 8 | Karl Lottes | MV Agusta | |||
| 9 | Willi Scheidhauer | MV Agusta | |||
| 10 | Florian Camathias | MV Agusta | |||
| 24 starters, 15 finishers | |||||
| Source: [2] [1] | |||||
| Pos | Rider | Passenger | Manufacturer | Laps | Time | Points |
|---|---|---|---|---|---|---|
| 1 | Wilhelm Noll | Fritz Cron | BMW | 18 | 41:21.6 | 8 |
| 2 | Walter Schneider | Hans Strauss | BMW | 18 | +0.2 | 6 |
| 3 | Jacques Drion | Inge Stoll | Norton | 18 | +58.6 | 4 |
| 4 | Florian Camathias | Maurice Büla | BMW | 3 | ||
| 5 | Jean Murit |  Francis Flahaut | BMW | 2 | ||
| 6 | Fritz Seeber | Franz Heiss | BMW | 1 | ||
| 7 | Friedrich Staschel |  Edgar Perduss | BMW | |||
| 8 | Loni Neussner |  ? | Norton | |||
| 9 | Alfonso Sammarchi | ? | Norton | |||
| 10 | Fritz Mühlemann | K. Tuscher | BSA | |||
| 11 | A. Baldi | ? | BSA | |||
| [1] | ||||||
NSU Motorenwerke AG, or NSU, was a German manufacturer of automobiles, motorcycles and pedal cycles, founded in 1873. Acquired by Volkswagen Group in 1969, VW merged NSU with Auto Union, creating Audi NSU Auto Union AG, ultimately Audi. The name NSU originated as an abbreviation of "Neckarsulm", the city where NSU was located.
Cirillo Pagani, nicknamed "Nello", was an Italian Grand Prix motorcycle road racer and Formula One driver. He was born in Milan, Lombardy, and died in Bresso.
The Circuit Bremgarten was a 7.280 km (4.524 mi) motorsport race track in Bern, Switzerland, which formerly hosted the Swiss Grand Prix from 1933 to 1954 and the Swiss motorcycle Grand Prix in 1949 and from 1951 until 1954.
The Dutch Tourist Trophy, also known as the TT Assen, and also sometimes known as the Dutch Motorcycle Grand Prix, is an annual Dutch motorsport event established in 1925 for road racing motorcycles held on the TT Circuit Assen, also known as the ‘Cathedral of Speed'. The event attained world championship status in 1949 when it was sanctioned by the FIM as part of the inaugural Grand Prix motorcycle racing world championship season, making it the oldest event on the MotoGP calendar. The venue holds the record for being the only circuit to have hosted a motorcycle Grand Prix event every year since the series was created in 1949, with the exception of 2020 when the race was cancelled due to the outbreak of COVID-19.
The 1954 Grand Prix motorcycle racing season was the sixth F.I.M. Road Racing World Championship Grand Prix season. The season consisted of nine Grand Prix races in five classes: 500cc, 350cc, 250cc, 125cc and Sidecars 500cc. It began on 30 May, with French Grand Prix and ended with Spanish Grand Prix on 3 October.
The 1955 Grand Prix motorcycle racing season was the seventh F.I.M. Road Racing World Championship Grand Prix season. The season consisted of eight Grand Prix races in five classes: 500cc, 350cc, 250cc, 125cc and Sidecars 500cc. It began on 1 May, with Spanish Grand Prix and ended with Nations Grand Prix in Italy on 4 September.
The 1956 Grand Prix motorcycle racing season was the eighth F.I.M. Road Racing World Championship Grand Prix season. The season consisted of six Grand Prix races in five classes: 500cc, 350cc, 250cc, 125cc and Sidecars 500cc. It began on 8 June, with Isle of Man TT and ended with Nations Grand Prix in Italy on 9 September.
The Spanish motorcycle Grand Prix is a motorcycling event that is part of the FIM Grand Prix motorcycle racing season that takes place at Circuito de Jerez – Ángel Nieto outside Jerez de la Frontera in Andalucia. In addition to this event, three other World Championship motorcycling events take place in Spain as of the 2024 season: the Catalan motorcycle Grand Prix, the Aragon motorcycle Grand Prix and the Valencian Community motorcycle Grand Prix, in the autonomous communities of Catalonia, Aragon and Valencia respectively. Circuito de Jerez – Ángel Nieto is due to host three Grands Prix in 2022, 2023 and 2025.
The French motorcycle Grand Prix is a motorcycling event that is part of the FIM Grand Prix motorcycle racing season.
Harold Reginald ("Reg") Armstrong was an Irish professional Grand Prix motorcycle road racer. He was born in Dublin to Frederick and Margery Armstrong, grew up in Rathfarnham and raced for the AJS, Velocette, Norton, NSU, and Gilera factory racing teams. He then became team manager for Honda's racing team in 1962 and 1963, and they won five world championships in that time. He was also in his lifetime a sales agent for NSU, Honda, and Opel. He competed in Grand Prix Motorcycle World Championships and at the Isle of Man TT, usually placing highly. He died in a road accident in 1979.
Luigi Taveri was a Swiss professional Grand Prix motorcycle road racer. He competed in the FIM motorcycle Grand Prix world championships from 1954 to 1966. Taveri is notable for being a three-time 125cc road racing world champion. Although he specialised in the smaller engined machines, Taveri is the only competitor to have scored points in six Grand Prix classes: 50cc, 125cc, 250cc, 350cc, 500cc and Sidecars. In 2016, he was named an FIM Legend for his motorcycling achievements.
MBP Morbidelli was an Italian motorcycle manufacturer now is mbp morbidelli founded by Giancarlo Morbidelli in Pesaro. During the late 1970s and early 1980s, the company was particularly successful in Grand Prix motorcycle racing. The team won the 125 cc world championship in 1975, 1976 and 1977, and won the 250 cc championship in 1977.
The Individual Speedway European Championship is an annual individual speedway event organized by the European Motorcycle Union (UEM) to determine the champion of Europe. The competition was founded in 2001 and was initially staged as a one-off meeting before the single event was replaced by the Speedway European Championship series in 2012.
Dundrod Circuit is a motorsport street circuit used for the Ulster Trophy for Formula One and Formula Two cars from 1950 to 1953, the RAC Tourist Trophy for sports cars between 1950 and 1955, and for the motorcycle Ulster Grand Prix from 1953 onwards. It is situated near the village of Dundrod in Lisburn, Northern Ireland. The nearby Clady Circuit also in County Antrim was used for the Ulster Grand Prix between (1922–1952) before moving to the Dundrod Circuit.
The 1955 Spanish motorcycle Grand Prix was the first round of the 1955 Grand Prix motorcycle racing season. It took place on 1 May 1955 at the Montjuïc circuit.
The 1955 French motorcycle Grand Prix was the second round of the 1955 Grand Prix motorcycle racing season. It took place on 15 May 1955 at the Reims-Gueux circuit.
The 1955 German motorcycle Grand Prix was the fourth round of the 1955 Grand Prix motorcycle racing season. It took place on 26 June 1955 at the Nürburgring circuit.
The 1955 Belgian motorcycle Grand Prix was the fifth round of the 1955 Grand Prix motorcycle racing season. It took place on 3 July 1955 at the Circuit de Spa-Francorchamps.
The 1955 Ulster Grand Prix was the seventh round of the 1955 Grand Prix motorcycle racing season. It took place on 11–13 August 1955 at the Dundrod Circuit.