Yamaha YBR 125
10 hp, 125 cc, 130 kg2005 - 2016
Suzuki Hayabusa
197 hp, 1340 cc2008 - 2016
MetricUS
EngineYamaha YBR 125Suzuki Hayabusa
Displacement125 cc1340 cc
Max power10 hp (@7 800 RPM)197 hp (@9 800 RPM)
Max torque9 Nm (@6 000 RPM)154 Nm (@10 200 RPM)
Redline10 000 RPM11 000 RPM
Idling speed1 250 RPM1 150 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC SingleDOHC Inline-4
Compression10.00:112.50:1
Oil capacity1.20 litre3.30 litre
Oil type10W30, 10W4010W40
Spark plug typeNGK CR6HSANGK CR9EIA-9, DENSO IU27D
CoolingAirLiquid
Valves216
Bore54.0 mm81.0 mm
Stroke54.0 mm63.0 mm
Throttle bore44.0 mm
Weight to power13.00 kg/hp
Power to weight76 hp/Ton
Battery typeYTX7L-BS, 12V 6AhYT12A-BS, 12V 10Ah
GearboxYamaha YBR 125Suzuki Hayabusa
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeRK GB50GSV Z3
Gears count56
Primary ratio3.41.596
Final drive3.0712.352
1. gear2.643 (42 km/h)2.615 (131 km/h)
2. gear1.778 (63 km/h)1.937 (177 km/h)
3. gear1.316 (85 km/h)1.526 (225 km/h)
4. gear1.045 (107 km/h)1.285 (267 km/h)
5. gear0.875 (128 km/h)1.136 (302 km/h)
6. gear1.043 (329 km/h)
ChasisYamaha YBR 125Suzuki Hayabusa
Frame typeDiamond steel
Front susp.Telescopic fork, 110mmUSD, 120.00 mm travel
Rear susp.Swingarm, 105.00 mm travel140.00 mm travel