Yamaha YBR 125
10 hp, 125 cc, 287 lbs2005 - 2016
Suzuki Hayabusa
187 hp, 1340 cc, 584 lbs2022
EngineYamaha YBR 125Suzuki Hayabusa
Displacement125 cc1340 cc
Max power10 hp (@7 800 RPM)187 hp (@9 750 RPM)
Max torque6 lb ft (@6 000 RPM)109 lb ft (@7 000 RPM)
Redline10 000 RPM11 000 RPM
Idling speed1 250 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC SingleDOHC Inline-4
Compression10.00:112.50:1
Oil capacity1.14 quart
Oil type10W30, 10W40
Spark plug typeNGK CR6HSA
CoolingAirLiquid
Valves28
Bore54.0 mm81.0 mm
Stroke54.0 mm65.0 mm
Weight to power28.66 lbs/hp3.12 lbs/hp
Power to weight87 hp/2500lbs800 hp/2500lbs
Battery typeYTX7L-BS, 12V 6Ah
GearboxYamaha YBR 125Suzuki Hayabusa
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count50
Primary ratio3.4
Final drive3.071
1. gear2.643 (26 mph)
2. gear1.778 (39 mph)
3. gear1.316 (53 mph)
4. gear1.045 (66 mph)
5. gear0.875 (79 mph)
ChasisYamaha YBR 125Suzuki Hayabusa
Frame typeDiamond steelTwin spar aluminum frame
Front susp.Telescopic fork, 110mm43mm Kayaba
Rear susp.Swingarm, 4.13 in travelKayaba monoshock