| Year | 1981 |
| Bore x Stroke | 54 х 54 mm |
| Capacity | 247 cc / 15.0 cu-in |
| Clutch | Wet multi-plate |
| Compression Ratio | 6.2 :1 |
| Consumption Average | 40 mpg |
| Cooling System | Liquid cooled |
| Dimensions | Length 2080 mm / 81.8 in Width 750 mm / 29.5 in Height 1090 mm / 42.9 in |
| Dry Weight | 139 kg / 306.4 lbs |
| Engine | Two stroke, parallel twin |
| Final Drive | Chain |
| Front Brakes | Single 267mm disc |
| Front Suspension | Telescopic forks |
| Front Tyre | 3.00-18 |
| Fuel Capacity | 16.5 Litres / 4.3 US gal |
| Ground Clearance | 165 mm / 6.4 in |
| Ignition | CDI |
| Induction | 2x Mikuni VM28 SC carburetor |
| Lubrication | Autolube |
| Max Power | 35.5 hp / 26.1 kW @ 8500 rpm |
| Max Torque | 30.2 Nm / 3.1 kgf-m@ 8000 rpm |
| Model | Yamaha RD 250LC / RZ 250LC |
| Oil Capacity | 1.6 Litres |
| Rear Brakes | Drum |
| Rear Suspension | Monocross |
| Rear Tyre | 3.50-18 |
| Seat Height | 785 mm / 30.9 in |
| Standing ¼ Mile | 14.6 sec |
| Starting | Kick |
| Top Speed | 98 mph / 157.7 km/h |
| Transmission | 6 Speed |
| Wheelbase | 1360 mm / 53.5 in |
