| Year | 1988 |
| Bore x Stroke | 79 x 66 mm |
| Capacity | 647 cc / 39.4 cu-in |
| Compression Ratio | 9.2:1 |
| Consumption Average | 40 mpg |
| Cooling System | Liquid cooled |
| Dry Weight | 188 kg / 414 lbs |
| Engine | Four stroke, 52°V-Twin cylinder, SOHC, 3 valve per cylinder |
| Final Drive | Shaft |
| Front Brakes | Single 316mm disc 2 piston calipers |
| Front Suspension | 41mm Telescopic forks |
| Front Tyre | 110/80-17 |
| Fuel Capacity | 19 Litres / 5.0 US gal |
| Ignition | Digital transistorized |
| Induction | 2x36mm equal pressure flat slide carburetors |
| Max Power | 56.1 hp / 40.9 kW @ 7897 rpm |
| Max Torque | 56.9 Nm @ 6053 rpm |
| Rear Brakes | Single 276mm disc 1 piston caliper |
| Rear Suspension | Pro-arm single shock, preload and rebound damping adjustment. |
| Rear Tyre | 150/70-17 |
| Standing ¼ Mile | 14.4 sec / 89 mph |
| Starting | Electric |
| Top Speed | 104 mph |
| Transmission | 5 Speed |
| Wet-Weight | 223 kg / 419.6 lbs |