These are the known mechanical and performance specifications for your 1955 Douglas Dragonfly.
Basic Specs
Engine
Displacement348.00 ccm (21.23 cubic inches)
Type
DetailsTwin, four-stroke
Max RPM
Compression
Bore/Stroke
Valves/Cylinder
FuelingCarburettor
IgnitionCoil
Exhaust
Lubrication
Cooling
Fuel Economy & Polution
Fuel Consumption4.30 litres/100 km (23.3 km/l or 54.70 mpg)
Fuel Capacity25.00 litres (6.61 gallons)
Emissions99.8 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame TypeTubular duplex cradle
Rake
Trail
Front SuspensionLeading link
Front Travel
Rear SuspensionHydraulic shock absorber
Rear Travel
SeatDual
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase
Dry Weight166.0 kg (366.0 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre
Rear Tire/Tyre
Front BrakesExpanding brake (drum brake)
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
WheelsSpoked
Comments