| Year | 1984 |
| Bore x Stroke | 88.8 x 108.0 mm |
| Capacity | 1337 cc / 81.5 cu-in |
| Compression Ratio | 8.5:1 |
| Cooling System | Air cooled |
| Dry Weight | 338 kg / 745 lbs |
| Engine | Four stroke, 45° V-Twin, OHV, 2 valves per cylinder. |
| Final Drive | Belt |
| Front Brakes | 2x 292mm discs |
| Front Suspension | Telescopic forks |
| Front Tyre | MT90-B16 |
| Fuel Capacity | 18.9 Litres / 4.5 US gal |
| Ignition / Starting | Single-fire, non-wasted, map-controlled spark ignition |
| Induction | 40mm Keihin CV carburetor |
| Max Power | 54 hp / 40.2 kW @ 5000 rpm |
| Max Torque | 82.5ftlb |
| Rear Brakes | Single 292mm disc |
| Rear Suspension | Dual shocks |
| Rear Tyre | MU85-B16 |
| Transmission | 5 Speed |