| Production Years: | 1928 - 1933 |
| Maximum Speed: | 70 km/h |
| Engine: | Two-stroke |
| Cylinders: | 1 |
| Capacity: | 200 cc |
| Bore x Stroke | 59 mm x 72 mm |
| Power: | 5.5 PS |
| Control: | Deflector Piston |
| Gears: | 3-speed |
| Suspension Front | Girder fork |
| Suspension Rear | Rigid |
| Tyres: | 25 x 3 |
| Weight: | 110 kg |
The Triumph K9 was a sports version of the K8, with adjustable footrests and two exhaust headers. The K9 Supra had "Tankschaltung" - two fuel tanks.
