Honda CBR250RR
45 hp, 249 cc, 346 lbs1990 - 1993
Yamaha R1M
200 hp, 998 cc, 443 lbs2016 - 2018
EngineHonda CBR250RRYamaha R1M
Displacement249 cc998 cc
Max power45 hp (@15 000 RPM)200 hp (@13 500 RPM)
Max torque15 lb ft (@12 000 RPM)82 lb ft (@11 500 RPM)
Redline19 000 RPM14 200 RPM
Idling speed1 200 RPM1 200 RPM
ManagementCarburetorFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression11.50:113.00:1
Oil capacity2.56 quart3.88 quart
Oil typeSAE10W–40, SAE20W–5010W40, 15W50
Spark plug typeNGK CR9EH–9, NGK CR9EHVX–9NGK LMAR9E-J
CoolingLiquidLiquid
Valves1616
Bore48.5 mm79.0 mm
Stroke33.8 mm50.9 mm
Weight to power7.69 lbs/hp2.22 lbs/hp
Power to weight325 hp/2500lbs1128 hp/2500lbs
Battery type12V 8Ah, YTLBX7YTZ7S, 12V 6.0Ah
GearboxHonda CBR250RRYamaha R1M
TypeSequentialSequential
ClutchWetSlipper
DriveChainChain
Chain typeDID428VS1, RK428SMO
Gears count66
Primary ratio2.9661.634
Final drive3.0582.563
1. gear2.733 (54 mph)2.6 (99 mph)
2. gear2.0 (73 mph)2.176 (119 mph)
3. gear1.59 (93 mph)1.842 (140 mph)
4. gear1.333 (111 mph)1.579 (164 mph)
5. gear1.153 (127 mph)1.381 (188 mph)
6. gear1.035 (142 mph)1.25 (207 mph)
ChasisHonda CBR250RRYamaha R1M
Frame typeBackbone steelDiamond frame
Front susp.37mm forks43mm Öhlins® electronic suspension USD 4.72 in travel
Rear susp.MonoshockÖhlins® electronic suspension w/single shock 4.72 in travel
Dyno chart of 2016 Yamaha R1M