| Year | 1987 |
| Bore x Stroke | 100 х 83 mm |
| Braking 60 - 0 / 100 - 0 | 13.7 m / 40.0 m |
| Capacity | 651 cc / 39.7 cu-in |
| Compression Ratio | 9.5:1 |
| Consumption average | 18.1 km/lit |
| Cooling System | Liquid cooled |
| Dry Weight | 153 kg / 337.3 lbs |
| Engine | Four stroke, single cylinder, DOHC, 4 valve |
| Final Drive | Chain |
| Frame | Single downtubes, fully cradle frame box section aluminium swingarm |
| Front Brakes | Single 230mm disc |
| Front Suspension | 38mm Air assisted Kayaba forks |
| Front Tyre | 90/90 -21 |
| Front Wheel Travel | 230 mm / 9.0 in |
| Fuel Capacity | 23 Litres / 6.0 US gal |
| Gear Ratio | 1st 2.266 (34/15) 2nd 1.444 (26/18) 3rd 1.136 (25/22) 4th 0.954 (21/22) 5th 0.791 (19/24) |
| Ignition | Digital TCBI |
| Induction | Keihin CVK40 carburetor |
| Max Power | 41.7 hp @ 7100 rpm |
| Max Torque | 5.3 kgf-m / 38.3 lb-ft @ 5500 rpm |
| Rake | 28° |
| Rear Brakes | Single 204mm disc |
| Rear Suspension | Single Kayaba shock |
| Rear Tyre | 130/80-17 |
| Rear Wheel Travel | 230 mm / 9.0 in |
| Seat Height | 889 mm / 35.0 in |
| Standing ¼ Mile | 14.2 sec / 139.9 km/h |
| Starting | Electric |
| Top Speed | 163.5 km/h / 101.6 mph |
| Trail | 111 mm / 4.4 in |
| Transmission | 5 Speed |
| Wet Weight | 189 kg / 416 lbs |
