| Year | 1979 |
| Bore x Stroke | 70.5 x 50.6 mm |
| Capacity | 395 cc / 24.1 cu-in |
| Compression Ratio | 9.3:1 |
| Cooling System | Air cooled |
| Dry Weight | 173 kg / 338 lbs |
| Engine | Four stroke, parallel twin, OHC, 3 valve per cylinder |
| Final Drive | Chain |
| Front Brakes | Single disc |
| Front Suspension | Telehydraulic forks |
| Front Tyre | 3.50-18 |
| Fuel Capacity | 9.5 Litres / 2.5 US gal |
| Ignition | Capacitor discharge electronic ignition |
| Induction | 2x 32mm Keihin carburetors |
| Rear Brakes | Drum |
| Rear Suspension | Swingarm fork with adjustable telehydraulic shocks. |
| Rear Tyre | 4.60-16 |
| Transmission | 5 Speed |
