Yamaha YBR 125
10 hp, 125 cc, 287 lbs2005 - 2016
BMW R 1200 R
125 hp, 1170 cc, 509 lbs2016
EngineYamaha YBR 125BMW R 1200 R
Displacement125 cc1170 cc
Max power10 hp (@7 800 RPM)125 hp (@7 750 RPM)
Max torque6 lb ft (@6 000 RPM)92 lb ft (@6 500 RPM)
Redline10 000 RPM9 000 RPM
Idling speed1 250 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC SingleDOHC Flat-2
Compression10.00:112.50:1
Oil capacity1.14 quart3.79 quart
Oil type10W30, 10W405W40, Advantec Ultimate 5W40,
Spark plug typeNGK CR6HSANGK LMAR8D-J
CoolingAirLiquid
Valves28
Bore54.0 mm101.0 mm
Stroke54.0 mm73.0 mm
Throttle bore52.0 mm
Weight to power28.66 lbs/hp4.07 lbs/hp
Power to weight87 hp/2500lbs613 hp/2500lbs
Battery typeYTX7L-BS, 12V 6AhAGM 12V 12Ah
GearboxYamaha YBR 125BMW R 1200 R
TypeSequentialSequential
ClutchWetWet
DriveChainShaft
Chain type
Gears count56
Primary ratio3.41.65
Final drive3.0712.818
1. gear2.643 (26 mph)2.438 (58 mph)
2. gear1.778 (39 mph)1.714 (83 mph)
3. gear1.316 (53 mph)1.296 (110 mph)
4. gear1.045 (66 mph)1.059 (135 mph)
5. gear0.875 (79 mph)0.943 (152 mph)
6. gear0.848 (168 mph)
ChasisYamaha YBR 125BMW R 1200 R
Frame typeDiamond steelTubular steel frame
Front susp.Telescopic fork, 110mm45mm USD fork, 5.51 in travel
Rear susp.Swingarm, 4.13 in travelSingle-sided aluminium paralever swingarm, 5.51 in travel