These are the known mechanical and performance specifications for your 1965 BSA A 50 Royal Star.
Basic Specs
Engine
Displacement500.00 ccm (30.51 cubic inches)
Type
DetailsTwin, four-stroke
Max RPM
Compression7.5:1
Bore/Stroke65.5 x 74.0 mm (2.6 x 2.9 inches)
Valves/Cylinder
FuelingCarburettor
Ignition
Exhaust
Lubrication
CoolingAir
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity18.00 litres (4.76 gallons)
Emissions
Chassis
Frame TypeSingle cradle
Rake
Trail
Front SuspensionHydralic telescopic forks
Front Travel
Rear SuspensionTwin shock
Rear Travel
SeatDual seat
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase1,391 mm (54.8 inches)
Dry Weight
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
Wheels
Comments