| Year | 1980 |
| Bore x Stroke | 63 х 52.4 mm |
| Capacity | 653 cc / 39.8 cu-in |
| Clutch | Wet Multiplate; 7 Steel 8 Friction |
| Compression Ratio | 9.2:1 |
| Consumption Average | 46.3 mpg |
| Cooling System | Air-cooled |
| Engine | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder, |
| Final Drive | Shaft |
| Frame | Tubular steel dual cradle frame |
| Front Brakes | Single 298mm disc 1 piston caliper |
| Front Suspension | Telescopic coil spring forks |
| Front Tyre | 3.25 H19 |
| Fuel Capacity | 13 Litres / 3.4 US gal |
| Gear Ratio | 1st 2.187 (35/16) 2nd 1.500 (30/20) 3rd 1.153 (30/26) 4th 0.933 (28/30) 5th 0.812 (26/32) |
| Ignition | Transistorized |
| Induction | 4x 32mm Hitachi carburetors |
| Max Power | 71 hp / 51.8 kW @ 9400 rpm |
| Max Torque | 57 Nm / 42 lb-ft @ 7500 rpm |
| Rear Brakes | Drum |
| Rear Suspension | Dual chocks swinging arm |
| Rear Tyre | 130/90 H16 |
| Standing ¼ Mile | 13.0 sec / 102 km/h |
| Starting | Electric |
| Top Speed | 123 km/h |
| Transmission | 5 Speed |
| Wet Weight | 243 kg / 535 lbs |
