| Year | 1979 |
| Bore x Stroke | 82.5 x 63 mm |
| Capacity | 673 cc / 41.07 cu-in |
| Compression Ratio | 9.8:1 |
| Cooling System | Liquid cooled |
| Engine | Four stroke, longitudinal 800 V-twin cylinder, camshaft nestles at the base of the V between the cylinders. ,OHV, 4 valves per cylinder operated by pushrods |
| Final Drive | Shaft |
| Front Brakes | Single disc |
| Front Suspension | 39mm Air adjustable forks leading axle |
| Front Tyre | 100/90-18 |
| Fuel Capacity | 12.5 Litres / 3.3 US gal |
| Ignition | CDI |
| Induction | 2x 39mm Keihin carburetors |
| Max Power | 64 hp / 47.7 kW @ 8000 rpm |
| Max Torque | 61 Nm / 45 lb-ft @ 6500 rpm |
| Rear Brakes | Drum |
| Rear Suspension | Dual shocks adjustable spring preload |
| Rear Tyre | 120/90-18 |
| Starting | Electric |
| Transmission | 5 Speed |
| Wet Weight | 215 kg / 474 lbs |
