Yamaha R125
15 hp, 124 cc, 142 kg2019
Suzuki GSX-R1000R
199 hp, 999 cc, 202 kg2017 - 2018
MetricUS
EngineYamaha R125Suzuki GSX-R1000R
Displacement124 cc999 cc
Max power15 hp (@10 000 RPM)199 hp (@13 000 RPM)
Max torque11 Nm (@8 000 RPM)118 Nm (@10 800 RPM)
Redline10 000 RPM14 500 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC SingleDOHC Inline-4
Compression11.20:113.20:1
Oil capacity1.20 litre4.10 litre
CoolingLiquidLiquid
Valves416
Bore52.0 mm76.0 mm
Stroke58.6 mm55.1 mm
Throttle bore43.0 mm
Weight to power9.47 kg/hp1.02 kg/hp
Power to weight105 hp/Ton985 hp/Ton
Battery type12V 5.5Ah
GearboxYamaha R125Suzuki GSX-R1000R
TypeSequentialSequential
ClutchWetSlipper
DriveChainChain
Chain type525
Gears count66
Primary ratio3.0421.652
Final drive3.422.647
1. gear2.833 (39 km/h)2.562 (156 km/h)
2. gear1.875 (59 km/h)2.052 (195 km/h)
3. gear1.364 (82 km/h)1.714 (234 km/h)
4. gear1.143 (97 km/h)1.5 (267 km/h)
5. gear0.957 (116 km/h)1.36 (295 km/h)
6. gear0.84 (132 km/h)1.269 (316 km/h)
ChasisYamaha R125Suzuki GSX-R1000R
Frame typeSteel deltaboxTwin-spar aluminum perimeter frame
Front susp.KYB 41mm USD, 130.00 mm travelShowa BFF USD
Rear susp.Swingarm monoshock, 114.00 mm travelShowa monoshock