Yamaha YBR 125
10 hp, 125 cc, 287 lbs2005 - 2016
Honda CBR 600RR
118 hp, 599 cc, 419 lbs2013 - 2016
EngineYamaha YBR 125Honda CBR 600RR
Displacement125 cc599 cc
Max power10 hp (@7 800 RPM)118 hp (@13 500 RPM)
Max torque6 lb ft (@6 000 RPM)48 lb ft (@11 250 RPM)
Redline10 000 RPM15 000 RPM
Idling speed1 250 RPM1 400 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC SingleDOHC Inline-4
Compression10.00:112.20:1
Oil capacity1.14 quart2.56 quart
Oil type10W30, 10W4010W40
Spark plug typeNGK CR6HSADenso VUH27D
CoolingAirLiquid
Valves216
Bore54.0 mm67.0 mm
Stroke54.0 mm42.5 mm
Throttle bore40.0 mm
Weight to power28.66 lbs/hp3.55 lbs/hp
Power to weight87 hp/2500lbs704 hp/2500lbs
Battery typeYTX7L-BS, 12V 6AhYTZ10S, 12V 8.6Ah
GearboxYamaha YBR 125Honda CBR 600RR
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeDID 525HV, RK525ROZ6
Gears count56
Primary ratio3.42.111
Final drive3.0712.562
1. gear2.643 (26 mph)2.75 (78 mph)
2. gear1.778 (39 mph)2.0 (106 mph)
3. gear1.316 (53 mph)1.666 (128 mph)
4. gear1.045 (66 mph)1.444 (147 mph)
5. gear0.875 (79 mph)1.304 (163 mph)
6. gear1.208 (176 mph)
ChasisYamaha YBR 125Honda CBR 600RR
Frame typeDiamond steelAluminium twin-spar
Front susp.Telescopic fork, 110mm41mm BPF USD, 4.72 in travel
Rear susp.Swingarm, 4.13 in travelMonoshock, 5.12 in travel