These are the known mechanical and performance specifications for your 1953 Hercules 311.
Basic Specs
Engine
Displacement123.00 ccm (7.51 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression
Bore/Stroke52.0 x 58.0 mm (2.0 x 2.3 inches)
Valves/Cylinder
FuelingCarburettor
Ignition
Exhaust
Lubrication
CoolingAir
Performance
Horespower5.00 HP (3.6 kW)
Torque
Top Speed75.0 km/h (46.6 mph)
Chassis
Frame Type
Rake
Trail
Front SuspensionTelescopic
Front Travel
Rear SuspensionRigid
Rear Travel
SeatSingle
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase
Dry Weight90.0 kg (198.4 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre2.50-19
Rear Tire/Tyre2.50-19
Front BrakesExpanding brake (drum brake)
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
WheelsSpoked
Comments