Yamaha YBR 125
10 hp, 125 cc, 287 lbs2005 - 2016
BMW R nineT
110 hp, 1170 cc, 489 lbs2014 - 2016
EngineYamaha YBR 125BMW R nineT
Displacement125 cc1170 cc
Max power10 hp (@7 800 RPM)110 hp (@7 550 RPM)
Max torque6 lb ft (@6 000 RPM)87 lb ft (@6 000 RPM)
Redline10 000 RPM8 500 RPM
Idling speed1 250 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC SingleDOHC Flat-2
Compression10.00:112.00:1
Oil capacity1.14 quart3.79 quart
Oil type10W30, 10W4015W50, Motul 300V 15W50, Liqui Moly 15W50
Spark plug typeNGK CR6HSANGK MAR8B-JDS
CoolingAirAir
Valves28
Bore54.0 mm101.0 mm
Stroke54.0 mm73.0 mm
Weight to power28.66 lbs/hp4.45 lbs/hp
Power to weight87 hp/2500lbs561 hp/2500lbs
Battery typeYTX7L-BS, 12V 6Ah12 V 14 Ah
GearboxYamaha YBR 125BMW R nineT
TypeSequentialSequential
ClutchWetWet
DriveChainShaft
Chain type
Gears count56
Primary ratio3.41.737
Final drive3.0712.91
1. gear2.643 (26 mph)2.38 (52 mph)
2. gear1.778 (39 mph)1.7 (73 mph)
3. gear1.316 (53 mph)1.3 (96 mph)
4. gear1.045 (66 mph)1.07 (116 mph)
5. gear0.875 (79 mph)0.94 (132 mph)
6. gear0.85 (146 mph)
ChasisYamaha YBR 125BMW R nineT
Frame typeDiamond steel4-part tubular-steel frame
Front susp.Telescopic fork, 110mmUSD Sachs 46mm forks
Rear susp.Swingarm, 4.13 in travelSwinging arm , shock absorber