| Engine | Honda CBR250R | Honda CBR300R |
|---|---|---|
| Displacement | 249 cc | 286 cc |
| Max power | 24 hp (@9 900 RPM) | 30 hp (@8 500 RPM) |
| Max torque | 14 lb ft (@6 750 RPM) | 19 lb ft (@7 250 RPM) |
| Redline | 10 500 RPM | 10 500 RPM |
| Idling speed | 1 400 RPM | 1 400 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Single | DOHC Single |
| Compression | 10.70:1 | 10.70:1 |
| Oil capacity | 1.42 quart | 1.70 quart |
| Spark plug type | NGK SIMR8A9 | NGK SIMR8A9 |
| Cooling | Liquid | Liquid |
| Valves | 4 | 4 |
| Bore | 76.0 mm | 76.0 mm |
| Stroke | 55.0 mm | 63.0 mm |
| Throttle bore | 38.0 mm | 38.0 mm |
| Weight to power | 14.79 lbs/hp | 12.05 lbs/hp |
| Power to weight | 169 hp/2500lbs | 207 hp/2500lbs |
| Battery type | 12V 6Ah | 12V 6Ah |
| Gearbox | Honda CBR250R | Honda CBR300R |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | DID 520VF 108LE | DID 520VF 108LE |
| Gears count | 6 | 6 |
| Primary ratio | 2.808 | 2.808 |
| Final drive | 2.714 | 2.714 |
| 1. gear | 3.333 (30 mph) | 3.333 (30 mph) |
| 2. gear | 2.117 (48 mph) | 2.117 (48 mph) |
| 3. gear | 1.571 (65 mph) | 1.571 (65 mph) |
| 4. gear | 1.304 (78 mph) | 1.304 (78 mph) |
| 5. gear | 1.115 (91 mph) | 1.115 (91 mph) |
| 6. gear | 0.962 (105 mph) | 0.962 (105 mph) |
| Chasis | Honda CBR250R | Honda CBR300R |
|---|---|---|
| Frame type | Diamond | |
| Front susp. | 37mm fork, 4.65 in travel | 37mm fork, 5.12 in travel |
| Rear susp. | 4.06 in travel | Monoshock, 4.21 in travel |