These are the known mechanical and performance specifications for your 1951 BSA 350 Plunger.
Basic Specs

Engine
Displacement350.00 ccm (21.36 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression
Bore/Stroke
Valves/Cylinder2
FuelingCarburettor
Ignition
Exhaust
Lubrication
CoolingAir
Performance
Horespower23.00 HP (16.8 kW)
Torque
Top Speed128.8 km/h (80.0 mph)
Chassis
Frame Type
Rake
Trail
Front SuspensionTelescopic fork
Front Travel
Rear SuspensionPlunger suspension
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase
Dry Weight154.2 kg (340.0 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
Wheels
Comments