Black Douglas Sterling Imperial 400: history, specs, pictures

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Black Douglas Sterling Imperial 400
Manufacturer
Production 2016
Engine
single cylinder, four-stroke
Top Speed 62 mph (100 km/h)
Fuel System carburetor
Ignition cdi
Transmission Gear box: 5-speed
Final Drive: chain
Suspension Front: handmade forks, 7075 aluminum
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 90/90-21
Rear Tire 90/90-21
Wheelbase 59.06 inches (1500 mm)
Length 85.83 inches (2180 mm)
Width 24.41 inches (620 mm)
Seat Height 32.68 inches (830 mm)
Weight
Fuel Capacity 2.38 Gallon (9.00 Liters)
Manuals Service Manual


The Black Douglas Sterling Imperial 400 was a single cylinder, four-stroke standard produced by Black Douglas in 2016. It could reach a top speed of 62 mph (100 km/h).

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke.

Drive[edit | edit source]

The bike has a 5-speed transmission.

Chassis[edit | edit source]

It came with a 90/90-21 front tire and a 90/90-21 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The Sterling Imperial 400 was fitted with a 2.38 Gallon (9.00 Liters) fuel tank. The wheelbase was 59.06 inches (1500 mm) long.