Honda CBR250RR
45 hp, 249 cc, 346 lbs1990 - 1993
Honda CBR250R
24 hp, 249 cc, 355 lbs2010 - 2013
EngineHonda CBR250RRHonda CBR250R
Displacement249 cc249 cc
Max power45 hp (@15 000 RPM)24 hp (@9 900 RPM)
Max torque15 lb ft (@12 000 RPM)14 lb ft (@6 750 RPM)
Redline19 000 RPM10 500 RPM
Idling speed1 200 RPM1 400 RPM
ManagementCarburetorFuel Injection
LayoutDOHC Inline-4DOHC Single
Compression11.50:110.70:1
Oil capacity2.56 quart1.42 quart
Oil typeSAE10W–40, SAE20W–50
Spark plug typeNGK CR9EH–9, NGK CR9EHVX–9NGK SIMR8A9
CoolingLiquidLiquid
Valves164
Bore48.5 mm76.0 mm
Stroke33.8 mm55.0 mm
Throttle bore38.0 mm
Weight to power7.69 lbs/hp14.79 lbs/hp
Power to weight325 hp/2500lbs169 hp/2500lbs
Battery type12V 8Ah, YTLBX712V 6Ah
GearboxHonda CBR250RRHonda CBR250R
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeDID428VS1, RK428SMODID 520VF 108LE
Gears count66
Primary ratio2.9662.808
Final drive3.0582.714
1. gear2.733 (54 mph)3.333 (30 mph)
2. gear2.0 (73 mph)2.117 (48 mph)
3. gear1.59 (93 mph)1.571 (65 mph)
4. gear1.333 (111 mph)1.304 (78 mph)
5. gear1.153 (127 mph)1.115 (91 mph)
6. gear1.035 (142 mph)0.962 (105 mph)
ChasisHonda CBR250RRHonda CBR250R
Frame typeBackbone steel
Front susp.37mm forks37mm fork, 4.65 in travel
Rear susp.Monoshock4.06 in travel