Triumph 6T Thunderbird (1954-62) technical specifications
Triumph 6T Thunderbird is produced in 1954-62. Engine is Four stroke, vertical twin, OHV, displacement 649 cc / 40.0 cu in , produces power 25 kW / 34 hp @ 6500 rpm. Triumph 6T Thunderbird weighs 179 kg / 395 lbs. Triumph 6T Thunderbird has 2 photos.
Technical specifications
+ Add to 'Compare list'| Model: | 6T Thunderbird |
| Years: | 1954-62 |
| Engine: | Four stroke, vertical twin, OHV |
| Capacity: | 649 cc / 40.0 cu in |
| Bore x Stroke: | 71 x 82 mm |
| Cooling System: | Air cooled |
| Compression Ratio: | 8.5:1 (Export), 7.0:1 (UK) |
| Exhaust: | Two-into-two |
| Induction: | SU type MC2 |
| Ignition: | Lucas RM14 |
| Starting: | Kick |
| Max Power: | 25 kW / 34 hp @ 6500 rpm |
| Clutch: | Wet, multiplate |
| Transmission: | 4-Speed constant mesh |
| Final Drive: | Chain, 101 links |
| Gear Ratios: | 1st 11.90:1 / 2nd 8.25:1 / 3rd 5.81:1 / 4th 4.88:1 |
| Frame: | Brazed lug |
| Front Suspension: | Telescopic fork, hydraulic damping |
| Rear Suspension: | Swingarm, 2 Griling dampers |
| Front Brakes: | SLS drum, 8 in |
| Rear Brakes: | SLS drum, 7 in |
| Front Wheel: | 3.25 x 19 |
| Rear Wheel: | 3.50 x 19 |
| Wheelbase: | 1410 mm / 55.75 in |
| Seat Height: | 775 mm / 31 in |
| Ground Clearance: | 127 mm / 5.0 in |
| Dry Weight: | 179 kg / 395 lbs |
| Fuel Capacity: | 13.6 L / 3.6 US gal / 3.0 Imp gal (US), 18 L / 4.8 US gal / 4.0 Imp gal (UK and export) |
| Source: | Classic British Motorcycles |
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