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 Norton - Manx
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Norton D2-492-42-05
Photo ou archives : F-M. Dumas

Capacity : 350
Model : Manx
Production : 1954 - 1962
Category : (R) Racing


350 Manx· 1962

The tale of the Manx

Having dominated international racing for years, the long line of Manx Nortons came to

an end in 1962. The last of them were clearly identified by their double front brake drums.

The First Manx -Unofficially

It's more difficult to say when the first Manx actually came into being. The overhead-cam Norton International launched in 1931 celebrated the marque's success during the 1931 season. It had swept the board at the principal international meetings, with 500cc twins in the Isle of ManTI, Dutch TT and the Belgian, French, German, Manx, Swedish and Swiss Grands Prix, plus five 350cc wins. Stanley Woods, Tim Hunt and Jimmie Simpson won four races each. No wonder they called the Norton "unapproachable!"

For Road or Track

The "Inter" could be ordered in road or race prepared versions, and inevitably, many of these "International to Racing Specification" models were intended for the amateur Manx GP. At Norton's works, such machines were called "Manx," though the name wasn't official until after WII, when it differentiated the production racers from the International sports model. The postwar Manx had a "Garden Gate" frame with plunger rear suspension and the new Roadholder telescopic fork. In 1949, the Manx gained twin overhead-camshafts, fitted to works bikes since 1937. In 1950, Geoff Duke won at Blandford with the prototype 500 Featherbed Norton. The last real change in the Manx specification was a new camshaft drive in 1959. Production ceased in 1963.


Engine: 348cc (76x77mm) air-cooled singlecylinder four-stroke

Power Rating: 38 hp @ 7800 rpm

Valves: twin shaft-driven overhead-camshafts

Fuel System: Amal GP carburetor

Transmission: 4-speed, chain final drive

Suspension: telescopic forks (front); swing arm (rear)

Brakes: twin-leading-shoe 7 inch drums (front); drum (rear)

Wheels: 19 inch wire (from & rear)

Weight: 313 lb

Maximum Speed: 120 mph


The Manx Norton was highly competitive: Derek Minter won the 1962 Race of the Year at Mallory Park on a Manx, beating a works Honda Four.

Motorcycle encyclopedia Moto Passion, realised by François-Marie Dumas, include almost 2000 photos presented with an exhaustive history of the motorcycles exhibited.

This unique collection has been realised with the participation of many specialists. With many thanks in particular to Yves Campion, Michael Dregni, Didier Ganneau, Jean Goyard, Helmut Krackowizer, Michel Montange, Christian Rey, Bernard Salvat, Mick Woollett, etc

One can order here

  • Original cards on paper (in french)
  • High resolution scans or original documents presented and signed with my name.

Please contact me at for conditions and copyright.

© Tous droits réservés
François-Marie Dumas

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