Specific: This machine was the replacement for
the fleet of Nimbus
MC´s. A batch of 400 MC´s were acquired in 1967.
Acquisition price was around 5.800 DKr. each.
Further machines were ordered in 1969 and in the early
1970´s to a total amount of 1.100 MC´s.
The B40 was superseded around 1980 with the
introduction of the Yamaha DT250MX.
Historical: The B40WD was based on the B40 Star which was
produced until 1965. A prototype WD version complete with supports for
pannier racks appeared the same year. It also had an easy detachable
rear wheel and other features included an fully enclosed rear chain
guard and 12 volt electrics to facilitate radio use. With its telescopic front forks
was a modern motorcycle in its day and was used for
convoy control, messenger services etc. When production of the WD
version was terminated in 1971, some 3.000 bikes had been produced.
The B40 like most
military motorcycles of the period was basically a road
machine with limited off road performance.
Standard machine of the British Army and RAF until late
Length: 2.14 m (83 inches).
Width: 0.72 m (28 inches).
Height: 1.10 m (43 inches).
Weight: 241 kg (532 lb.).
Engine: BSA 1-cylinder 343 cm3 (21 cubic inches)
displacement, air cooled, carburettor.
Horsepower: 18 at 6.000 rpm.
Transfer case: None.
Electrical system: 12 volt, positive ground.
Tyres: Front: 3.00 - 20, rear: 3.50 -
Fuel type: Petrol.
Fuel capacity: 16 liter (3.5 gallons).
Range: 160 km (100 miles).
Crew: 1 + 1.
Additional: The machines were delivered
to the Danish Army through H.V. Hansen (BSA-huset) in