1955 Nations motorcycle Grand Prix

  1955 Nations Grand Prix

Race details
Race 8 of 8 races in the 1955 Grand Prix motorcycle racing season
Date	4 September 1955
Location	Autodromo Nazionale Monza
Course	Permanent racing facility 5.750 km (3.573 mi)
500cc
Rider Fastest lap Rider Geoff Duke Gilera Time 1:54.1 Podium First Umberto Masetti MV Agusta Second Reg Armstrong Gilera Third Geoff Duke Gilera
350cc
Rider Fastest lap Rider Bill Lomas Moto Guzzi Time 2:00.4 Podium First Dickie Dale Moto Guzzi Second Bill Lomas Moto Guzzi Third Ken Kavanagh Moto Guzzi
250cc
Rider Fastest lap Rider Hans Baltisberger NSU Time 2:04.9 Podium First Carlo Ubbiali MV Agusta Second Hans Baltisberger NSU Third Sammy Miller NSU
125cc
Rider Fastest lap Rider Carlo Ubbiali MV Agusta Time 2:11.9 Podium First Carlo Ubbiali MV Agusta Second Remo Venturi MV Agusta Third Angelo Copeta MV Agusta
Sidecar (B2A)
Rider Fastest lap Rider A. Milani Gilera Time 2:12.9 Podium First Wilhelm Noll BMW Second Walter Schneider BMW Third Jacques Drion Norton

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.

500 cc classification

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

350 cc classification

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

250 cc classification

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

125cc classification

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:

Sidecar classification

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