These are the known mechanical and performance specifications for your 1919 Blackburne 4HP.
Basic Specs
Engine
Displacement499.00 ccm (30.45 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression
Bore/Stroke85.0 x 88.0 mm (3.3 x 3.5 inches)
Valves/Cylinder
FuelingCarburettor
Ignition
Exhaust
Lubrication
Cooling
Chassis
Frame Type
Rake
Trail
Front Suspension
Front Travel
Rear Suspension
Rear Travel
SeatSingle spring-mounted
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase
Dry Weight
Wet Weight
Wheels & Brakes
Front Tire/Tyre28-Mar
Rear Tire/Tyre28-Mar
Front Brakes
Front Brake Diameter
Rear Brakes
Rear Brake Diameter
WheelsSpoked
Comments