| Engine | Honda CBR250R | Honda CBR250RR |
|---|---|---|
| Displacement | 249 cc | 249 cc |
| Max power | 24 hp (@9 900 RPM) | 45 hp (@15 000 RPM) |
| Max torque | 14 lb ft (@6 750 RPM) | 15 lb ft (@12 000 RPM) |
| Redline | 10 500 RPM | 19 000 RPM |
| Idling speed | 1 400 RPM | 1 200 RPM |
| Management | Fuel Injection | Carburetor |
| Layout | DOHC Single | DOHC Inline-4 |
| Compression | 10.70:1 | 11.50:1 |
| Oil capacity | 1.42 quart | 2.56 quart |
| Oil type | SAE10W–40, SAE20W–50 | |
| Spark plug type | NGK SIMR8A9 | NGK CR9EH–9, NGK CR9EHVX–9 |
| Cooling | Liquid | Liquid |
| Valves | 4 | 16 |
| Bore | 76.0 mm | 48.5 mm |
| Stroke | 55.0 mm | 33.8 mm |
| Throttle bore | 38.0 mm | |
| Weight to power | 14.79 lbs/hp | 7.69 lbs/hp |
| Power to weight | 169 hp/2500lbs | 325 hp/2500lbs |
| Battery type | 12V 6Ah | 12V 8Ah, YTLBX7 |
| Gearbox | Honda CBR250R | Honda CBR250RR |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | DID 520VF 108LE | DID428VS1, RK428SMO |
| Gears count | 6 | 6 |
| Primary ratio | 2.808 | 2.966 |
| Final drive | 2.714 | 3.058 |
| 1. gear | 3.333 (30 mph) | 2.733 (54 mph) |
| 2. gear | 2.117 (48 mph) | 2.0 (73 mph) |
| 3. gear | 1.571 (65 mph) | 1.59 (93 mph) |
| 4. gear | 1.304 (78 mph) | 1.333 (111 mph) |
| 5. gear | 1.115 (91 mph) | 1.153 (127 mph) |
| 6. gear | 0.962 (105 mph) | 1.035 (142 mph) |
| Chasis | Honda CBR250R | Honda CBR250RR |
|---|---|---|
| Frame type | Backbone steel | |
| Front susp. | 37mm fork, 4.65 in travel | 37mm forks |
| Rear susp. | 4.06 in travel | Monoshock |