| Year | 1981 |
| Bore x Stroke | 74 x 57.8 mm |
| Capacity | 249 cc / 15.2 cu-in |
| Clutch | Wet, four friction discs |
| Compression Ratio | 10.0:1 |
| Cooling System | Air cooled |
| Dry Weight | 108 kg / 238 lbs |
| Engine | Four stroke, single cylinder SOHC, 4 valve |
| Final Drive | Chain, #520 x 106 |
| Front Brakes | Drum |
| Front Suspension | Leading axel air spring 38mm forks |
| Front Tyre | 3.00-21 |
| Front Wheel Travel | 245 mm / 9.6 in |
| Fuel Capacity | 9.8 Litres / 2.6 US gal |
| Ground Clearance | 320 mm / 12.6 in |
| Ignition | Capasitor-Discharge |
| Induction | 2x 30.5 mm piston valve Keihin |
| Max Power | 30 hp / 21.9 kW @ 9000 rpm |
| Max Torque | 24.5 Nm / 18 ft-lb @ 7500 rpm |
| Rear Brakes | Drum |
| Rear Suspension | Pro-link Kayaba damper adjustment for spring preload and rebound damping |
| Rear Tyre | 5.10-17 |
| Rear Wheel Travel | 247 mm / 9.7 in |
| Seat Height | 945 mm / 37.2 in |
| Spark Plug | D&EA, Plug gap .028 |
| Sprockets | Front 13 T Rear 53 T |
| Starting | Kick |
| Transmission | 6 Speed |
