| Year | 1985 |
| Bore x Stroke | 56.0 x 50.6 mm |
| Capacity | 249 cc / 15.2 cu-in |
| Compression Ratio | 7.4:1 |
| Cooling System | Liquid cooled |
| Dry Weight | 133 kg / 293 lbs |
| Engine | Ttwo stroke, parallel twin cylinder |
| Final Drive | Chain |
| Front Brakes | 2x 260mm discs 1 piston calipers |
| Front Suspension | Air-assisted 35mm forks with 3-way adjustable AVDS anti-dive |
| Front Tyre | 100/90 VR16 |
| Fuel Capacity | 16 Litres / 4.2 US gal |
| Ignition | Capacitor discharge |
| Induction | 2x Keihin PWK 28 |
| Max Power | 45 hp / 33.5 kW @ 10000 rpm |
| Max Torque | 3.7 kgf-m / 26.7 lb-ft @ 8000 rpm |
| Rake | 27º |
| Rear Brakes | Single 350mm disc 1 piston calipers |
| Rear Suspension | Adjustable damping and 5-way preload |
| Rear Tyre | 110/80 VR18 |
| Standing ¼ Mile | 13.6 sec / 95.5 mph |
| Starting | Kick |
| Top Speed | 180.2 km/h / 112 mph |
| Trail | 84 mm / 3.3 in |
| Transmission | 6 Speed |
