Yamaha YBR 125
10 hp, 125 cc, 287 lbs2005 - 2016
Suzuki Hayabusa
197 hp, 1340 cc2008 - 2016
EngineYamaha YBR 125Suzuki Hayabusa
Displacement125 cc1340 cc
Max power10 hp (@7 800 RPM)197 hp (@9 800 RPM)
Max torque6 lb ft (@6 000 RPM)113 lb ft (@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 capacity1.14 quart3.12 quart
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 power28.66 lbs/hp
Power to weight87 hp/2500lbs
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 (26 mph)2.615 (81 mph)
2. gear1.778 (39 mph)1.937 (110 mph)
3. gear1.316 (53 mph)1.526 (140 mph)
4. gear1.045 (66 mph)1.285 (166 mph)
5. gear0.875 (79 mph)1.136 (188 mph)
6. gear1.043 (204 mph)
ChasisYamaha YBR 125Suzuki Hayabusa
Frame typeDiamond steel
Front susp.Telescopic fork, 110mmUSD, 4.72 in travel
Rear susp.Swingarm, 4.13 in travel5.51 in travel