Yamaha YZF-R125

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Yamaha YZF-R125
Yamaha YZF-R125.jpg
Manufacturer Yamaha Motor Company
Also calledYamaha R125
Production2008–
Predecessor Yamaha TZR125
Class Sport bike
Engine 124.7 cc (7.61 cu in) liquid-cooled 4-stroke 4-valve SOHC single-cylinder engine [1]
Bore / stroke 52.0 mm × 58.6 mm (2.05 in × 2.31 in)
Compression ratio 11.2:1
Ignition type TCI[ clarification needed ]
Transmission 6-speed constant mesh, wet, multiple-disc coil spring clutch, chain drive
Frame type Steel twin-spar Deltabox
Suspension Front: 41 mm inverted fork
Rear: Swingarm (link type)
Brakes Hydraulic disc; front: 292 mm floating disc
Rear: 230 mm
Tires Front: 100/80-17
Rear: 130/70-17 (2008-2013) 140/70-17 (2014+)
Rake, trail 25°, 89 mm (3.5 in)
Wheelbase 1,325 mm (52.2 in)
DimensionsL: 1,990 mm (78 in)
W: 755 mm (29.7 in)
H: 1,140 mm (45 in)
Seat height820 mm (32 in)
Fuel capacity11.0 L (2.4 imp gal; 2.9 US gal)
Oil capacity1.15 L (0.25 imp gal; 0.30 US gal)

The Yamaha YZF-R125 is a sport motorcycle designed by Yamaha and manufactured by MBK Industrie since 2008. In 2023 the model is in its fourth generation.

Contents

First generation: (2008–2013)

In 2008, the bike initially came available as a four stroke replacement for the TZR125. Entering the thin market of small displacement 4-stroke sport bikes, it quickly gained traction and became a popular choice for young riders.

Specifications

Specifications for EU version.

DimensionsOverall length2015 mm
Overall width660 mm
Overall height1065 mm
Seat height815 mm
Wheelbase1355 mm
Ground clearance155 mm
Turning radius3100 mm
Fork leg diameter33 mm
Front brakeDiscFixed, 292 mm
CaliperFloating, 2 piston, axial mount
EngineTypeLiquid cooled, 4-stroke, SOHC
Displacement124.7 cc
Bore x Stroke52.0 x 58.6 mm
Compression ratio11.2 : 1
Fuel consumption(Approximately) 3.0 L / 100 km
WeightFuel capacity13.8 L
Oil capacity1.15 L (1.0 L after filter change)
Coolant capacity1.0 L (+0.25 L reservoir)
Curb weight 136 kg

Second generation: (2014–2018)

In 2014, Yamaha gave a facelift to the model, with a slightly tweaked fairing set, an upside-down front fork and a full LCD dashboard. The model launched without ABS, but it became an option for 2015. To comply with EU motorbike safety regulations, ABS on motorcycles was required on all new motorbikes in the EU from 2017. This may cause minor differences in weight, electric or other specifications.

Specifications

These specifications come from the owner's manual of a 2017 model with ABS.

DimensionsOverall length1950 mm
Overall width695 mm
Overall height1065 mm
Seat height825 mm
Wheelbase1350 mm
Ground clearance155 mm
Turning radius3100 mm
Front brakeDiscFloating, 292 mm
CaliperFixed, 4 piston, Radial mount
EngineTypeLiquid cooled, 4-stroke, SOHC
Displacement124.7 cc
Bore x Stroke52.0 x 58.6 mm
Compression ratio11.2 : 1
Fuel consumption(Approximately) 3.0 L / 100 km
WeightFuel capacity11.5 L
Oil capacity1.15 L (1.0 L after filter change)
Coolant capacity1.0 L (+0.25 L reservoir)
Curb weight 140 kg

Third generation: (2019–2022)

The 2019 model has a new rear swingarm, changes to the frame and bodywork, a new engine with Variable Valve Actuation (VVA).[ clarification needed ]
There is a small 2021 update, that adds a vapor canister to the fuel system, presumably to help the bike comply with the more strict Euro 5 emission standard.

Specifications

As per the owner's manual of the 2021 model.

DimensionsOverall length1990 mm
Overall width755 mm
Overall height1140 mm
Seat height820 mm
Wheelbase1325 mm
Ground clearance160 mm
Turning radius2900 mm
Front brakeDiscFloating, 292 mm
CaliperFixed, 4 piston, Radial mount
EngineTypeLiquid cooled, 4-stroke, SOHC
Displacement124.7 cc
Bore x Stroke52.0 x 58.6 mm
Compression ratio11.2 : 1
Fuel consumption(Approximately) 3.0 L / 100 km
WeightFuel capacity11.0 L
Oil capacity1.05 L (0.95 L after filter change)
Coolant capacity0.49 L (+0.15 L reservoir)
Curb weight 142 kg

Fourth generation: (2023–on)

The bike yet again received a slight overhaul for the 2023 model year. The changes include some minor tweaks to the suspension like a different caster angle at the front (it is now 26°), and a shorter swingarm travel at the rear (it is now 110 mm down from 114 mm). The front half of the bike has reworked fairings and a new 5” full color TFT dash with smartphone connectivity.

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References

  1. "YZF-R125 2013 Techspecs – Motorcycles". Yamaha Motor UK. 17 November 2011. Archived from the original on 31 March 2013. Retrieved 31 March 2013.