Yamaha R125

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Yamaha YZF-R125 (2008-2013)

The Yamaha YZF-R125 was first introduced in 2008 and is still in production today. The model positions itself as a motorcycle for young novice motorcyclists with a driver's license category A1 and as the initial model of the YZF-R sports line. The motorcycle is produced and sold mainly for the European market.

In 2014, the Yamaha R125 (YZF-R125) model underwent its first restyling, receiving an updated plastic appearance, a new wheel disc design, an exhaust system, a front brake (a 4-piston radial caliper instead of a conventional 2-piston one), a fuel tank (11, 5 liters instead of 13.8 liters), a new front suspension (inverted fork with 41 mm stays instead of the usual 33 mm fork).

In 2015, modifications with ABS appear, and by 2017 - ABS is standard equipment.

In 2018, the model undergoes a restyling again, receiving a new design of plastic, headlights, dashboard and exhaust. Rear tire width is increased to 140 mm (instead of 130 mm). The model also gets an updated engine, which received a VVA (Variable Valve Actuation) system, which changes valve lift depending on engine speed, and an Assist & Slipper clutch system (assistant and slipping clutch). Although this model has been available since 2018, it is marketed as the 2019 Yamaha YZF-R125.

The main feature of the motorcycle is a 1-cylinder liquid-cooled injection engine producing 15 hp. power and 12.2 Nm of torque. This engine was also installed on the Yamaha WR125R and Yamaha WR125X models.

On the platform of the second generation Yamaha YZF-R125, a naked model was also built - Yamaha MT-125.

The main competitors of Yamaha R125 (YZF-R125) in the class:


Yamaha YZF-R125 (2008-2013)
Yamaha YZF-R125 (2014-2018)
Yamaha YZF-R125 (2019+)


Specifications Yamaha YZF-R125:

Model Yamaha YZF-R125
Motorcycle type sport
Release year 2008+
Frame steel Deltabox
Engine type 1-cylinder, 4-stroke
Working volume 124.7 cm³
Bore / stroke 52.0 x 58.6 mm
Compression ratio 11.2: 1
Cooling liquid
Number of valves per cylinder SOHC, 4 valves

VVA (Variable Valve Actuation) - Yamaha YZF-R125 (2019+)

Fuel supply system injector
Ignition type TCI (digital)
Maximum power 15.0 h.p. (11.0 kW) at 9000 rpm
Maximum torque 12.2 Nm (1.3 kg * m) at 8000 rpm
Gearbox 6-speed
Drive type chain
Front tire size 100 / 80-17 M / C (52H)
Rear tire size 130 / 70-17 M / C (62H)

140 / 70-17 M / C - 2019+

Front brakes Single disc, 292mm, 2-piston caliper - Yamaha YZF-R125 (2008-2013)

Single disc, 292 mm, 4-piston radial caliper (ABS - 2015+) - Yamaha YZF-R125 (2014+)

Rear brakes 1 disc, 230 mm, 1-piston caliper (ABS - 2015+)
Front suspension 33mm Telescopic Fork, 130mm Travel - Yamaha YZF-R125 (2008-2013)

Inverted 41mm Fork - Yamaha YZF-R125 (2014+)

Rear suspension linkage with monoshock (preload adjustment), stroke - 114 mm
Length 2015mm - Yamaha YZF-R125 (2008-2013)

1955mm - Yamaha YZF-R125 (2014+)

Width 660mm - Yamaha YZF-R125 (2008-2013)

680mm - Yamaha YZF-R125 (2014+)

Height 1065 mm
Wheelbase 1355 mm
Minimum ground clearance 155 mm
Saddle height 818mm - Yamaha YZF-R125 (2008-2013)

825mm - Yamaha YZF-R125 (2014+)

Acceleration to 100 km / h
Maximum speed 125 km / h
Fuel tank capacity 13.8L (including 1.6L reserve) - Yamaha YZF-R125 (2008-2013)

11.5L (including 3.0L reserve) - Yamaha YZF-R125 (2014+)

Motorcycle weight (curb) 138 kg - Yamaha YZF-R125 (2008-2013)

140 kg - Yamaha YZF-R125 (2014-2018)

142 kg - Yamaha YZF-R125 ABS (2019+)