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Triumph T120 Bonneville 19591959 Triumph T120 Bonneville specifications, pictures, reviews and rating |
![]() 1959 Triumph T120 Bonneville. Picture credits - Triumph. Submit more pictures.
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General information | |
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Model: | Triumph T120 Bonneville |
Year: | 1959 |
Category: | Sport |
Rating: | 3.2 Check out the detailed rating of racing track capabilities, engine performance, accident risk, etc. Compare with any other bike. |
Engine and transmission | |
Displacement: | 649.0 ccm (39.60 cubic inches) |
Engine type: | Twin, four-stroke |
Power: | 46.0 HP (33.6 kW)) @ 6700 RPM |
Top speed: | 185.0 km/h (115.0 mph) |
Bore x stroke: | 71.0 x 82.0 mm (2.8 x 3.2 inches) |
Fuel system: | Carburettor. Amal monobloc carburettor |
Fuel control: | Overhead Valves (OHV) |
Ignition: | Lucas magneto |
Cooling system: | Air |
Gearbox: | 4-speed |
Transmission type, final drive: | Chain |
Clutch: | Multi-plate, wet |
Chassis, suspension, brakes and wheels | |
Frame type: | Brazed lug, rigid |
Front suspension: | Telescopic fork. |
Rear suspension: | Twin shocks. Girlings 100 lb/ft spring tension, adjustable pre-set. |
Front tyre: | 3.25-19 |
Rear tyre: | 3.50-19 |
Front brakes: | Expanding brake (drum brake) |
Diameter: | 203 mm (8.0 inches) |
Rear brakes: | Expanding brake (drum brake) |
Diameter: | 178 mm (7.0 inches) |
Seat: | Dual seat |
Physical measures and capacities | |
Dry weight: | 183.0 kg (403.4 pounds) |
Power/weight ratio: | 0.2514 HP/kg |
Seat height: | 770 mm (30.3 inches) If adjustable, lowest setting. |
Ground clearance: | 127 mm (5.0 inches) |
Wheelbase: | 1400 mm (55.1 inches) |
Fuel capacity: | 15.14 litres (4.00 gallons) |
Other specifications | |
Color options: | Pearl Grey/Tangerine Orange |
Further information | |
Ask questions | Join the 59 Triumph T120 Bonneville discussion group or the general Triumph discussion group. |
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Rating sample for this Triumph bike | |
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