Horex Imperator 400: history, specs, pictures

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The Horex Imperator was a single cylinder, four-stroke allround motorcycle produced between 1955 and 1960. It could reach a top speed of 84 mph (135 km/h). Claimed horsepower was 18.51 HP (13.8 KW) @ 6790 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke. The engine featured a 7.5:1 compression ratio. Fuel was supplied via a overhead valves (ohv).

Drive[edit | edit source]

The final drive was via chain.

Chassis[edit | edit source]

Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The front suspension was a hydralic telescopic forks while the rear was equiped with a twin shock-swingarm. The Imperator was fitted with a 4.49 Gallon (17.00 Liters) fuel tank. The bike weighed just 432.11 pounds (196.0 Kg).

In Media[edit | edit source]

Horex Imperator 400
Manufacturer
Also called Imperator
Production 1955 - 1960
Class Cruiser
Engine
single cylinder, four-stroke
Bore / Stroke 61.0mm x 61.0mm
Compression ratio 7.25:1
Top Speed 84 mph (135 km/h)
Horsepower 18.51 HP (13.8 KW) @ 6790RPM
Fuel System carburetor
Transmission Gear box: Chain
Final Drive: chain
Suspension Front: Earles forks
Rear: Sual shocks
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 3.25 -18
Rear Tire 3.50 -18
Length 84.25 inches (2140 mm)
Width 25.98 inches (660 mm)
Height 38.98 inches (990 mm)
Weight 432.11 pounds (196.0 Kg) (dry), 196.0 kg (wet)
Fuel Capacity 4.49 Gallon (17.00 Liters)
Manuals Service Manual


The Horex Imperator was a single cylinder, four-stroke Cruiser motorcycle produced by Horex between 1955 and 1960. It could reach a top speed of 84 mph (135 km/h). Claimed horsepower was 18.51 HP (13.8 KW) @ 6790 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke. A 61.0mm bore x 61.0mm stroke result in a displacement of just 400.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).

Drive[edit | edit source]

The bike has a Chain transmission.

Chassis[edit | edit source]

It came with a 3.25 -18 front tire and a 3.50 -18 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The front suspension was a Earles forks while the rear was equipped with a Sual shocks. The Imperator was fitted with a 4.49 Gallon (17.00 Liters) fuel tank. The bike weighed just 432.11 pounds (196.0 Kg).

1955 - 1960 Horex Imperator 400[edit | edit source]

The 1955 Horex Imperator 400, boasts a maximum power output of 26 horsepower and 6790 RPM, its air-cooled, four-stroke, 400 cc, parallel twin cylinder, has a four-speed manual transmission with a chain final drive.

In addition, it has been fitted with a drum braking system in the front and in the rear, front/back suspension earles forks/ Dual Shocks, two seats, a chromed exhaust system, wired wheels, a round headlight, analogue instrumentation dials.The body weight is around 196 kg.


In Media[edit | edit source]