| Year | 1987 |
| Bore x Stroke | 94 x 85 mm |
| Capacity | 589 cc / 35.9 cu in |
| Compression Ratio | 8.5:1 |
| Consumption Average | 4.8 L/100 km / 20.8 km/l / 49 US mpg / 58.8 Imp mpg |
| Cooling System | Air cooled |
| Dimensions | Length 2215 mm / 87.2 in Width 875 mm / 34.4 in Height 1235 mm / 48.6 in |
| Dry Weight | 141 kg / 310 lbs |
| Engine | Four stroke, single cylinder, SOHC, 4 valves |
| Final Drive | Chain |
| Frame | Semi-double cradle |
| Front Brakes | Single 240mm disc |
| Front Suspension | 39 mm Kayaba forks, air adjustable |
| Front Tyre | 100/80-21 |
| Front Wheel Travel | 226 mm / 8.9 in. |
| Fuel Capacity | 21 Litres / 5.5 US gal / 4.6 Imp gal |
| Ignition | CDI |
| Induction | 38mm Mikuni flatside carburetor |
| Lubrication System | Wet sump |
| Max Power | 32 kW / 44 hp @ 6500 rpm |
| Max Torque | 49.5 Nm / 5.04 kg-m / 36.5 lb-ft @ 5000 rpm |
| Rear Brakes | 130mm Drum |
| Rear Suspension | Single Kayaba shock, adjustable spring preload |
| Rear Tyre | 130/80-17 |
| Rear Wheel Travel | 236 mm / 9.3 in |
| Seat Height | 925 mm / 36.4 in |
| Standing ¼ Mile | 14.6 sec / 143 km/h / 88.9 mph |
| Starting | Kick |
| Top Speed | 163.9 km/h / 101.8 mph |
| Transmission | 5 Speed |
| Wet Weight | 150 kg / 330 lbs |
| Wheelbase | 1465 mm / 57.7 in |