Do you have a question about the Triumph THUNDERBIRD 1951 and is the answer not in the manual?
| Displacement | 649 cc |
|---|---|
| Transmission | 4-speed manual |
| Bore x Stroke | 71 mm x 82 mm |
| Compression Ratio | 7.0:1 |
| Carburetor | Amal Monobloc |
| Front Suspension | Telescopic forks |
| Front Brake | Drum |
| Rear Brake | Drum |
| Engine Type | Parallel twin |
| Power | 34 hp @ 6, 000 rpm |
| Top Speed | 100 mph |
| Rear Suspension | Sprung hub |











