Yamaha YBR 125
10 hp, 125 cc, 130 kg2005 - 2016
Kawasaki Z1000
136 hp, 1043 cc, 218 kg2010 - 2013
MetricUS
EngineYamaha YBR 125Kawasaki Z1000
Displacement125 cc1043 cc
Max power10 hp (@7 800 RPM)136 hp (@9 600 RPM)
Max torque9 Nm (@6 000 RPM)109 Nm (@7 800 RPM)
Redline10 000 RPM11 000 RPM
Idling speed1 250 RPM1 100 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC SingleDOHC Inline-4
Compression10.00:111.80:1
Oil capacity1.20 litre4.00 litre
Oil type10W30, 10W4010W40
Spark plug typeNGK CR6HSANGK CR9EIA-9
CoolingAirLiquid
Valves216
Bore54.0 mm77.0 mm
Stroke54.0 mm56.0 mm
Throttle bore38.0 mm
Weight to power13.00 kg/hp1.60 kg/hp
Power to weight76 hp/Ton623 hp/Ton
Battery typeYTX7L-BS, 12V 6Ah12V 8Ah
GearboxYamaha YBR 125Kawasaki Z1000
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count56
Primary ratio3.41.627
Final drive3.0712.8
1. gear2.643 (42 km/h)2.6 (109 km/h)
2. gear1.778 (63 km/h)1.95 (145 km/h)
3. gear1.316 (85 km/h)1.6 (177 km/h)
4. gear1.045 (107 km/h)1.389 (204 km/h)
5. gear0.875 (128 km/h)1.238 (229 km/h)
6. gear1.136 (249 km/h)
ChasisYamaha YBR 125Kawasaki Z1000
Frame typeDiamond steelAluminium beam twin spar
Front susp.Telescopic fork, 110mm41mm USD, 120.00 mm travel
Rear susp.Swingarm, 105.00 mm travelMonoshock, 150.00 mm travel