| Year | 2010 |
| Battery | 12 V, 6Ah |
| Bore x Stroke | 79 x 59.5 mm |
| Capacity | 291.6 cc / 17.8 cub in. |
| Clutch | Wet multiplate hydraulic clutch |
| Compression Ratio | 9.0:1 |
| Cooling System | Air cooled |
| Dimensions | Length 2085 mm / 82.1 in Width 745 mm / 29.3 in Height 1040 mm / 40.9 in |
| Dry Weight | CB 300R: 146 kg / 322 lbs CB 300RA: 149 kg / 329 lbs |
| Engine | Four stroke, single cylinder, DOHC, 4 valve per cylinder. |
| Final Drive | Chain |
| Final Drive Ratio | 2.846:1 |
| Front Brakes | Single disc, 276 mm |
| Front Suspension | Telescopic fork |
| Front Tyre | 110/70-17M/C 54H |
| Front Wheel Travel | 130 mm / 5.1 in |
| Fuel Capacity | 18 Liters / 4.8 US gal |
| Gear Ratios | 1st 3.166 / 2nd 1.941 / 3rd 1.380 / 4th 1.083 / 0.884:1 |
| Ground Clearance | 183 mm / 7.2 in |
| Ignition | Electronic |
| Induction | PGM-FI electronic fuel injection |
| Maximum Loading Capacity | 179 kg / 395 lbs |
| Maximum Power | 19.4 kW / 26 hp @ 7 500 rpm |
| Maximum Torque | 27.6 Nm / 2.81 kgf-m / 20/35 lb-ft @ 6 000 rpm |
| Primary Drive Ratio | 2.875:1 |
| Rake | 25.1° |
| Rear Brakes | Drum, 130 mm |
| Rear Suspension | Monoshock |
| Rear Tyre | 140/70-17M/C 66H |
| Rear Wheel Travel | 105 mm / 4.1 in |
| Reserve | 3 Litres / 0.79 US gal |
| Seat Height | 781 mm / 30.7 in |
| Starting | Electric |
| Trail | 97 mm / 3.9 in |
| Transmission | 5 Speed constant mesh |
| Wheelbase | 1402 mm / 55.2 in |
