Yamaha YBR 125
10 hp, 125 cc, 130 kg2005 - 2016
Honda CB650F
86 hp, 649 cc, 208 kg2016 - 2017
MetricUS
EngineYamaha YBR 125Honda CB650F
Displacement125 cc649 cc
Max power10 hp (@7 800 RPM)86 hp (@11 000 RPM)
Max torque9 Nm (@6 000 RPM)63 Nm (@8 000 RPM)
Redline10 000 RPM11 200 RPM
Idling speed1 250 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC SingleDOHC Inline-4
Compression10.00:111.40:1
Oil capacity1.20 litre2.90 litre
Oil type10W30, 10W40SAE 10W-30
Spark plug typeNGK CR6HSACR9EH-9
CoolingAirLiquid
Valves216
Bore54.0 mm67.0 mm
Stroke54.0 mm46.0 mm
Throttle bore32.0 mm
Weight to power13.00 kg/hp2.42 kg/hp
Power to weight76 hp/Ton413 hp/Ton
Battery typeYTX7L-BS, 12V 6AhYTZ10S 12V/8.6AH
GearboxYamaha YBR 125Honda CB650F
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeO ring #525, 118 links
Gears count56
Primary ratio3.41.69
Final drive3.0712.8
1. gear2.643 (42 km/h)3.071 (91 km/h)
2. gear1.778 (63 km/h)2.235 (126 km/h)
3. gear1.316 (85 km/h)1.777 (158 km/h)
4. gear1.045 (107 km/h)1.52 (185 km/h)
5. gear0.875 (128 km/h)1.333 (211 km/h)
6. gear1.214 (231 km/h)
ChasisYamaha YBR 125Honda CB650F
Frame typeDiamond steelSteel twin-spar
Front susp.Telescopic fork, 110mm41mm fork, 120.00 mm travel
Rear susp.Swingarm, 105.00 mm travelMonoshock, 43.5.00 mm travel