| Year | 1985 |
| Bore x Stroke | 56 x 50.6 mm |
| Capacity | 249 cc / 15.2 cu-in |
| Clutch | Wet plate |
| Compression Ratio | 7.3:1 |
| Cooling System | Liquid cooled |
| Dry Weight | 144 kg / 317 lbs |
| Engine | Two stroke, 90°V-twin cylinder |
| Exhaust | Expansion chamber, RC power valves |
| Final Drive | Chain |
| Frame | Twin spar aluminum |
| Front Brakes | 2x 276 mm discs 2 piston calipers |
| Front Suspension | Telescopic forks |
| Front Tyre | 100/80-17 |
| Fuel Capacity | 19 Litres / 5.0 US gal |
| Ignition | Electronic CDI PGM II |
| Induction | Carburetor |
| Lubrication | Injected 2-stroke oil |
| Max Power | 45 hp / 32.8 kW @ 9500 rpm |
| Max Torque | 35 Nm / 25.8 ft-lb @ 8500 rpm |
| Rear Brakes | Single 220mm disc 1 piston caliper |
| Rear Suspension | Swinging arm |
| Rear Tyre | 130/70-18 |
| Starting | kick |
| Transmission | 6 Speed |
