| Engine | Honda CBR250RR | Honda CBR 600RR |
|---|---|---|
| Displacement | 249 cc | 599 cc |
| Max power | 45 hp (@15 000 RPM) | 113 hp (@13 500 RPM) |
| Max torque | 15 lb ft (@12 000 RPM) | 48 lb ft (@11 250 RPM) |
| Redline | 19 000 RPM | 15 000 RPM |
| Idling speed | 1 200 RPM | 1 400 RPM |
| Management | Carburetor | Fuel Injection |
| Layout | DOHC Inline-4 | DOHC Inline-4 |
| Compression | 11.50:1 | 12.20:1 |
| Oil capacity | 2.56 quart | 2.56 quart |
| Oil type | SAE10W–40, SAE20W–50 | 10W30 |
| Spark plug type | NGK CR9EH–9, NGK CR9EHVX–9 | DENSO VUH27D |
| Cooling | Liquid | Liquid |
| Valves | 16 | 16 |
| Bore | 48.5 mm | 67.0 mm |
| Stroke | 33.8 mm | 42.5 mm |
| Throttle bore | 40.0 mm | |
| Weight to power | 7.69 lbs/hp | 3.63 lbs/hp |
| Power to weight | 325 hp/2500lbs | 688 hp/2500lbs |
| Battery type | 12V 8Ah, YTLBX7 | 12V 8.6Ah, YTZ10S |
| Gearbox | Honda CBR250RR | Honda CBR 600RR |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | DID428VS1, RK428SMO | DID 525HV, RK525ROZ6 |
| Gears count | 6 | 0 |
| Primary ratio | 2.966 | 2.111 |
| Final drive | 3.058 | 2.625 |
| 1. gear | 2.733 (54 mph) | 2.75 (73 mph) |
| 2. gear | 2.0 (73 mph) | 2.0 (100 mph) |
| 3. gear | 1.59 (93 mph) | 1.666 (120 mph) |
| 4. gear | 1.333 (111 mph) | 1.444 (138 mph) |
| 5. gear | 1.153 (127 mph) | 1.304 (153 mph) |
| 6. gear | 1.035 (142 mph) | 1.208 (165 mph) |
| Chasis | Honda CBR250RR | Honda CBR 600RR |
|---|---|---|
| Frame type | Backbone steel | |
| Front susp. | 37mm forks | 41mm USD Big Piston Fork, 4.33 in travel |
| Rear susp. | Monoshock | HMAS monoshock, 5.12 in travel |