| Year | 1981 |
| Bore x Stroke | 66.0 x 50.6 mm |
| Capacity | 173 cc / 10.5 cu-in |
| Compression Ratio | 7.6:1 |
| Cooling System | Air cooled |
| Dry-Weight | 103 kg / 227 lbs |
| Engine | Two stroke, single cylinder, read valve |
| Final Drive | Chain |
| Front Brakes | Drum |
| Front Suspension | Telescopic forks |
| Front Tyre | 3.00-21 |
| Fuel Capacity | 10.5 Litres / 2.7 US gal |
| Ignition | CDI |
| Induction | Mikuni carburetor |
| Max Power | 20.1 hp / 14.9 kW @ 9000 rpm |
| Max Torque | 2.2 kgf-m / 15.9 lb-ft @ 8000 rpm |
| Rear Brakes | Drum |
| Rear Suspension | Single shock adjustable for compression rebound and spring preload, |
| Rear Tyre | 4.00-18 |
| Starting | Kick |
| Transmission | 6 Speed |
