Yamaha YBR 125
10 hp, 125 cc, 287 lbs2005 - 2016
Suzuki GSX1100S Katana
150 hp, 999 cc, 474 lbs2019 - 2020
EngineYamaha YBR 125Suzuki GSX1100S Katana
Displacement125 cc999 cc
Max power10 hp (@7 800 RPM)150 hp (@10 000 RPM)
Max torque6 lb ft (@6 000 RPM)79 lb ft (@9 500 RPM)
Redline10 000 RPM11 500 RPM
Idling speed1 250 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC SingleDOHC Inline-4
Compression10.00:112.20:1
Oil capacity1.14 quart
Oil type10W30, 10W40
Spark plug typeNGK CR6HSA
CoolingAirLiquid
Valves216
Bore54.0 mm73.4 mm
Stroke54.0 mm59.0 mm
Throttle bore44.0 mm
Weight to power28.66 lbs/hp3.16 lbs/hp
Power to weight87 hp/2500lbs791 hp/2500lbs
Battery typeYTX7L-BS, 12V 6Ah
GearboxYamaha YBR 125Suzuki GSX1100S Katana
TypeSequentialSequential
ClutchWetSlipper
DriveChainChain
Chain type
Gears count50
Primary ratio3.4
Final drive3.071
1. gear2.643 (26 mph)
2. gear1.778 (39 mph)
3. gear1.316 (53 mph)
4. gear1.045 (66 mph)
5. gear0.875 (79 mph)
ChasisYamaha YBR 125Suzuki GSX1100S Katana
Frame typeDiamond steelAluminium twin spar
Front susp.Telescopic fork, 110mm43mm KYB USD
Rear susp.Swingarm, 4.13 in travelKYB Link type monoshock