Douglas Dragonfly: history, specs, pictures

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Douglas Dragonfly
Manufacturer
Production 1955 - 1957
Engine
twin, four-stroke
Horsepower 16.63 HP (12.4 KW) @ 5500RPM
Fuel System carburetor
Ignition coil
Transmission Final Drive: chain
Suspension Front: leading link
Rear: hydraulic shock absorber
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Weight 365.97 pounds (166.0 Kg) (dry),
Fuel Capacity 6.6 Gallon (25.00 Liters)
Fuel Consumption 4.30 liters/100 km (23.3 km/l or 54.70 mpg)
Manuals Service Manual


The Douglas Dragonfly was a twin, four-stroke standard produced by Douglas between 1955 and 1957. Claimed horsepower was 16.63 HP (12.4 KW) @ 5500 RPM.

Engine[edit | edit source]

Fuel was supplied via a overhead valves (ohv).

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 leading link while the rear was equipped with a hydraulic shock absorber. The Dragonfly was fitted with a 6.6 Gallon (25.00 Liters) fuel tank. The bike weighed just 365.97 pounds (166.0 Kg).