Yamaha YBR 125
10 hp, 125 cc, 130 kg2005 - 2016
Aprilia Shiver 750
95 hp, 749 cc, 210 kg2010 - 2016
MetricUS
EngineYamaha YBR 125Aprilia Shiver 750
Engine codeM551M
Displacement125 cc749 cc
Max power10 hp (@7 800 RPM)95 hp (@9 000 RPM)
Max torque9 Nm (@6 000 RPM)81 Nm (@7 000 RPM)
Redline10 000 RPM10 000 RPM
Idling speed1 250 RPM1 400 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC SingleDOHC V-twin
Compression10.00:111.00:1
Oil capacity1.20 litre3.20 litre
Oil type10W30, 10W4015W50
Spark plug typeNGK CR6HSANGK CR7EKB
CoolingAirLiquid
Valves28
Bore54.0 mm92.0 mm
Stroke54.0 mm56.4 mm
Throttle bore52.0 mm
Weight to power13.00 kg/hp2.21 kg/hp
Power to weight76 hp/Ton452 hp/Ton
Battery typeYTX7L-BS, 12V 6Ah12V 10Ah
GearboxYamaha YBR 125Aprilia Shiver 750
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type525 ZRPK, 108 links
Gears count56
Primary ratio3.41.868
Final drive3.0712.75
1. gear2.643 (42 km/h)2.57 (90 km/h)
2. gear1.778 (63 km/h)1.88 (123 km/h)
3. gear1.316 (85 km/h)1.5 (154 km/h)
4. gear1.045 (107 km/h)1.272 (182 km/h)
5. gear0.875 (128 km/h)1.13 (205 km/h)
6. gear1.041 (222 km/h)
ChasisYamaha YBR 125Aprilia Shiver 750
Frame typeDiamond steelStreel tube
Front susp.Telescopic fork, 110mm43mm USD, 120.00 mm travel
Rear susp.Swingarm, 105.00 mm travelMonoshock, 122.00 mm travel