Yamaha YBR 125
10 hp, 125 cc, 287 lbs2005 - 2016
Triumph Street Triple 765 R
116 hp, 765 cc, 419 lbs2017 - 2018
EngineYamaha YBR 125Triumph Street Triple 765 R
Displacement125 cc765 cc
Max power10 hp (@7 800 RPM)116 hp (@12 000 RPM)
Max torque6 lb ft (@6 000 RPM)56 lb ft (@9 400 RPM)
Redline10 000 RPM12 650 RPM
Idling speed1 250 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC SingleDOHC Inline-3
Compression10.00:112.65:1
Oil capacity1.14 quart3.29 quart
Oil type10W30, 10W40
Spark plug typeNGK CR6HSA
CoolingAirLiquid
Valves212
Bore54.0 mm78.0 mm
Stroke54.0 mm53.38 mm
Weight to power28.66 lbs/hp3.61 lbs/hp
Power to weight87 hp/2500lbs692 hp/2500lbs
Battery typeYTX7L-BS, 12V 6AhYTX-9BS
GearboxYamaha YBR 125Triumph Street Triple 765 R
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeRK XW-ring, 118 link
Gears count50
Primary ratio3.41.85
Final drive3.0712.88
1. gear2.643 (26 mph)2.62 (67 mph)
2. gear1.778 (39 mph)1.95 (90 mph)
3. gear1.316 (53 mph)1.57 (112 mph)
4. gear1.045 (66 mph)1.35 (130 mph)
5. gear0.875 (79 mph)1.24 (141 mph)
6. gear1.14 (153 mph)
ChasisYamaha YBR 125Triumph Street Triple 765 R
Frame typeDiamond steelTwin-spar aluminum
Front susp.Telescopic fork, 110mmShowa 41mm USD SF-BPF, 4.53 in travel
Rear susp.Swingarm, 4.13 in travelShowa monoshock, 5.28 in travel