TRIUMPH THUNDERBIRD 6T
| Production Year: | 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962 |  |
| Type: | Air-cooled OHV vertical twin, non-unit |
| engine specs | |
| Type | Air-cooled OHV vertical twin, non-unit |
| Displacement | 649 cm3 |
| Bore X Stroke | 2.8x3.2 in OR 71 mm |
| Compression Ratio | 8.5:1 |
| Horsepower | 34/6500 KW(hp)/RPM |
| Fuel System | Carburetor: 1-SU Type MC2 |
| transmission specs | |
| Gearbox | 4-Speed, constant mesh |
| Clutch | Wet multi plate |
| Final Drive | Chain |
| chassis specs | |
| Frame | Brazed lug, rigid |
| Front Suspension | Telescopic fork, hydraulic damping |
| Rear Suspension | Swing arm, 2 Girling dampers |
| Front Brake | Drum |
| Rear Brake | Drum |
| dimension specs | |
| Seat Height | 31 in OR 787 mm |
| Ground Clearance | 5 in OR 127 mm |
| Weight | 406 lbs OR 184 kg |
| Fuel Capacity | 3 gallons OR 11.4 L |
| Wheelbase | 55.8 in OR 1417 mm |
| tyres specs | |
| Front | 3.25" X 19" |
| Rear | 3.50" X 19" |
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