Yamaha YBR 125
10 hp, 125 cc, 287 lbs2005 - 2016
Suzuki GSX-R125
125 cc2017
EngineYamaha YBR 125Suzuki GSX-R125
Displacement125 cc125 cc
Max power10 hp (@7 800 RPM)
Max torque6 lb ft (@6 000 RPM)
Redline10 000 RPM11 500 RPM
Idling speed1 250 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC SingleDOHC Single
Compression10.00:1
Oil capacity1.14 quart
Oil type10W30, 10W40
Spark plug typeNGK CR6HSA
CoolingAirLiquid
Valves24
Bore54.0 mm62.0 mm
Stroke54.0 mm41.2 mm
Weight to power28.66 lbs/hp
Power to weight87 hp/2500lbs
Battery typeYTX7L-BS, 12V 6Ah
GearboxYamaha YBR 125Suzuki GSX-R125
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 GSX-R125
Frame typeDiamond steel
Front susp.Telescopic fork, 110mmTelescopic fork
Rear susp.Swingarm, 4.13 in travelMonoshock