Segment: Naked / Road
Production years: 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972
Bonneville was a success from the beginning. In 1959, the T120 engine was in fact a small T110 with some improvements but a few years later, the engine and gearbox were combined and the bike got a new frame. Later, the engine was enlarged from 650cc to 725cc, then the T140 was born.
TRIUMPH Bonneville T 120 1959-1972
TRIUMPH Bonneville T 120 649
| engine specs | Type: | Air cooled, four stroke, parallel twin, OHV | Displacement: | 649 cm3 | Bore X Stroke: | 2.79x3.22 in OR 71 mm | Compression Ratio: | 8.5:1 | Horsepower: | 46/6700 KW(hp)/RPM | Torque: | - | Fuel System: | Carburetors |
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| transmission specs | Gearbox: | 4 Speed | Clutch: | - | Primary Drive: | - | Final Drive: | Chain |
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| chassis specs | Frame: | - | Front Suspension: | Telescopic fork | Rear Suspension: | Twin shocks | Front Brake: | Drum | Rear Brake: | Drum |
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| dimension specs | Overall Length: | - | Overall Width: | - | Seat Height: | - | Wheelbase: | - | Ground Clearance: | - | Weight: | - | Fuel Capacity: | - |
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| tyres specs | Front: | 3.25 -19 | Rear: | 4.00 -18 |
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