Triumph 6/1
The Triumph 6/1 is a motorcycle that was made by Triumph at their Coventry factory from 1934 to 1936. Designed by Val Page, the 6/1 was the first Triumph motorcycle to use a parallel-twin engine. A sidecar-equipped 6/1 won a silver medal in the 1933 International Six Days Trial and went on to win the Maudes Trophy for 1933. The 6/1 was a commercial failure, selling fewer than 600 in two years on the market.
Triumph 6/1 | |
| Manufacturer | Triumph Motor Company |
|---|---|
| Production | 1933-1935 |
| Assembly | Coventry, UK |
| Successor | Triumph Thunderbird |
| Class | Heavyweight standard |
| Engine | 649 cc OHV parallel-twin |
| Bore / stroke | 70 mm × 84 mm (2.8 in × 3.3 in) |
| Top speed | est. 85 mph (137 km/h) |
| Power | 25 bhp at 4,500 rpm |
| Transmission | Four-speed manual; hand-shift (foot-shift available in 1935) |
| Frame type | Tubular steel dual downtube |
| Suspension | Girder fork, rigid rear |
| Brakes | Linked 8 in (203 mm) drum brakes front and rear |
| Oil capacity | 7 imp pt (4.0 L) |
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