Home WORLD 1955 Horex Imperator 392cc Two Cylinder Starting Up

1955 Horex Imperator 392cc Two Cylinder Starting Up


Horex was a German motorcycle manufacturer (1923-1959). Horex developed a range of models with single-cylinder Columbus engines from 250 cc to 600 cc.In 1933 it added two parallet-twin models: the 600 cc S6 and 800 cc S8. Both twins had chain-driven OHC valvegear.

source/image(PrtSc): classic-motorcycle.com

World War 2 interrupted motorcycle production, but Horex resumed in 1948 with a 350 cc single-cylinder model, the SB 35 Regina. In the fifties, Horex added a 400 cc OHC parallel-twin to its model range, called the Imperator.

This was well known for its torque and power and was widely used for sidecars.The Overhead Camshaft Twin-cylinder engine developed 26 HP @ 6790 RPM and allowed the Imperator, in solo form, to reach a top-speed of 135 KM/H.


These days, the Imperator is one of the most sought after Horex model.Unfortunately Daimler-Benz took over the company in 1960 and not interested in motorcycles at all, production was terminated.


  • Manufacturer: Horex
  • Model: Imperator
  • Year: 1955
  • Displacement: 392cc
  • Engine type: 4-stroke / ohv
  • Cylinders: 2
  • Power: 26hp@6.500rpm
  • Bore/stroke: 61x66mm
  • Top speed: 135kmh
  • Weight: 195kg