1964 Triumph Bonneville T120R Roadster

Triumph Bonneville T120R Roadster
Picture credits: DeanB. Click for large image of the 1964 Triumph Bonneville T120R Roadster

General motorcycle information

Model
Triumph Bonneville T120R Roadster
Year
1964
Category
Sport
Rating

Engine and transmission

Displacement
39.60 cubic inches (649.0 ccm)
Engine type
Twin, 4 stroke
Power
46.0 horsepowers (34.3 kiloWatts) at 6500 RPM
Torque
-
Compression
8.5:1
Bore x stroke
4.33 x 5.00 inches (71.0 x 82.0 mm)
Fuel system
Carburettor
Fuel control
Overhead Valves (OHV)
Cooling system
Air
Gearbox
4-speed
Transmission type, final drive
Chain
Starter
Kick
Fuel consumption
-
Top speed
185.0 kmh (115.0 mph)

Chassis, suspension, brakes and wheels

Rake (fork angle)
26.0°
Front tyre
3.25-19
Rear tyre
4.00-18
Front brake
Expanding brake (drum)
Front brakes diameter
12.39 inches (203.0 mm)
Rear brake
Expanding brake (drum)
Rear brakes diameter
10.86 inches (178.0 mm)

Physical measures and capacities

Dry weight
363.8 pounds (165.0 kg)
Seat height
47.3 inches (775 mm)
Wheelbase
85.6 inches (1403 mm)
Ground clearance
7.8 inches (127 mm)
Fuel capacity
4.00 gallons (15.1 litres)
Oil capacity
-

Further motorcycle information