| Year | 1968 |
| Bore x Stroke | 56 x 50.6 mm |
| Capacity | 249 cc / 12.2 cuin |
| Clutch | Wet, multi plate type |
| Compression Ratio | 9.5:1 |
| Cooling System | Air cooled |
| Engine | Four stroke, twin cylinder, OHC, 2 valve per cylinder |
| Final Drive | Chain |
| Frame | Semy double cradle steel frame. |
| Front Brakes | Drum |
| Front Suspension | Telescopic forks |
| Front Tyre | 3.00-18 |
| Fuel Capacity | 12 Litres / 3.1 US gal |
| Ignition | 2 sets points, bobine |
| Induction | Keihin carburettor |
| Lubrication | Forged and wet sump |
| Max Power | 30 hp / 21.9 kW @ 10500 rpm |
| Max Torque | 21 Nm / 15.5 lb-ft @ 9500 rpm |
| Rake | 63.0° |
| Rear Brakes | Drum |
| Rear Suspension | Swinging arm pre-load adjustable schocks |
| Rear Tyre | 3.25-18 |
| Road Test | 1974 CB 250 Group Test |
| Starting | Kick |
| Trail | 85 mm / 3.3 in |
| Transmission | 5 Speed |
| Wet Weight | 160 kg / 352 lbs |
| Wheelbase | 1320 mm / 52.0 in |
