Yamaha YZF-R 125

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Make Model	Yamaha YZF-R 125
Year	2023
Engine	Four stroke, single cylinder, SOHC, 4 valves
Capacity	124.7 cc / 7.6 cu-in
Bore x Stroke	52 x 58.6 mm
Cooling System	Liquid cooled
Compression Ratio	11.2:1
Induction	Electronic fuel Injection
Emission	EURO5
Lubrication	Wet sump
Ignition	TCI
Starting	Electric
Max Power	11 kW / 14.7 hp @ 109000 rpm
Max Torque	11.5 Nm / 8.48 lb-ft @ 8000 rpm
Clutch	Wet, multiple-disc coil spring
Transmission	6 Speed, Constant mesh
Final Drive	Chain
Frame	Steel Deltabox
Front Suspension	41mm Upside-down telescopic fork
Front Wheel Travel	130 mm / 5.1 in
Rear Suspension	Swingarm, link type suspension
Rear Wheel Travel	110 mm /  4.3 in
Front Brakes	Single 292mm disc
Rear Brakes	Single 220mm disc
Front Tyre	100/80 -17 M/C
Rear Tyre	140/70 -17 M/C
Caster	26°
Trail	95 mm / 3.7 mm
Dimension	Length   1990 mm / 78.3 in Width      715 mm / 28.1 in Height   1145 mm / 45.0 in
Wheelbase	1325 mm / 52.1 in
Seat Height	820 mm / 32.2 in
Ground Clearance	160 mm / 9.3 in
Wet Weight	144 kg / 317.4 lbs
Fuel Capacity	11 Litres / 2.9 US gal

Complete Supersport range from 125cc through to 1000cc

Incredibly it is exactly 25 years since Yamaha rocked the motorcycle world with the unveiling of the very first R1 in front of a stunned audience of journalists who could barely believe what Yamaha had created. With its ultra-lightweight, remarkably compact dimensions and class-leading power output, this iconic motorcycle represented the beginning of a truly amazing new era for Europe’s Supersport riders.

The arrival of the first R1 was just the beginning. R1M, R6, R3, R125 and more recently the R7 were to follow in its tyre tracks, each of them created in the image of R1 – the undisputed King of Supersport. By bringing genuine race bike technology and performance to the street, Yamaha’s R-Series models have been inspiring many thousands of riders for a quarter of a century.

Yamaha’s R-Series continues to set the agenda with the widest range of exhilarating Supersport models from 125cc through to 1000cc. With a winning track record in the world’s most prestigious racing championships, R-Series has established itself as the definitive family of high performance machines. And for 2023 the launch of the next generation R125 reaffirms Yamaha’s commitment to offering every rider the most exceptional high performance riding experience.

4th Generation R125: R-Connection

When Yamaha launched the very first R125 in 2008 it brought advanced Supersport design and technology to the 125cc A1 license class. Setting new standards for thrilling performance, handling agility and aggressive style, this best-in-class bike became an overnight success – and has maintained its position as the premiere high performance lightweight to this day.

During the past 15 years this iconic machine has consistently evolved to maintain its superstar status amongst performance minded riders who are looking for the ultimate race-developed motorcycle. Designed for young and uncompromising Supersport riders at the beginning of their relationship with the R-Series, R125 continues to show the way ahead.

Every Yamaha Supersport is developed with the same pure R-Series DNA that has made the flagship R1 the dominant bike in World and British Superbike racing. Race-bred technology is also evident throughout the 2023 R125, from the dynamic new body design through to its Deltabox frame technology and radial mount front brake caliper.

Featuring an instantly recognisable new face that is directly inspired by the R7 – and equipped with connected TFT instruments as well as a range of chassis refinements and new electronics – the 4th generation Yamaha R125 gives every rider a real taste of where R/World can take them.

Latest R-Series design

R125 gets a whole new look that underlines its status as Yamaha’s ultimate lightweight Supersport and reinforces the R-Series family ties that make it such a special motorcycle.

A powerful new bi-functional LED headlight sits centrally in the M-shaped nose and delivers a brilliant low and high beam for excellent vision and visibility. The headlight’s ultra-compact dimensions and low weight have enabled the fitment of a highly aerodynamic front cowling with R7-inspired LED position lights to give the R125 a radical new ‘big-bike’ appearance.

Featuring a more aggressive face as well as an aerodynamic new fairing and redesigned vented tank covers that convey the feeling of a strong horizontal flow, the all-new body transforms the appearance of the lightest Yamaha Supersport. This reshaped bodywork gives a fully coordinated and refined look that underlines this best-in-class bike’s status as the premium high performance 125.

R1-inspired 5-inch TFT instruments

The new 2023 R125 benefits from the very latest 5-inch full colour TFT instruments inspired by the flagship R1. Two different graphic themes are featured: the rider can select either ‘Street’ theme or ‘Track’ theme to match different riding situations. ‘Street’ theme features a central digital speedometer and a bar-type tachometer as well as an array at the base that includes flasher/main beam/temperature warning lights. ‘Track’ theme is a more focused layout featuring a central lap timer with a 25 lap memory and bar-type tachometer above – providing the rider with key information when they’re on a race circuit.

Both screen themes feature a programmable shift light at the top of the display – and ‘Track’ theme incorporates a programmable rpm meter range, enabling the rider to customise the visuals to match their riding style and individual preferences.

Smartphone connectivity

Staying in touch is now even easier for R125 riders because the 2023 model is equipped with a Communication Control Unit (CCU) that enables smartphone connectivity. To activate the connectivity, the rider’s smartphone firstly needs to be linked to the machine via Bluetooth® using Yamaha’s free MyRide app. As soon as the owner has linked their smartphone, they can see notifications of incoming calls and text messages on the new 5-inch TFT screen, as well as monitor key parameters of the bike via the app.

Riders can also access information including smartphone battery status, and in the event of any technical issue with the R125, the system can notify a Yamaha dealer or any other designated contact that has been selected by the owner.

Traction control system

For the highest level of confidence and control the R125 is equipped with a traction control system. Together with the A&S clutch and the optional quick shift system, the traction control enables the R125 rider to experience a high degree of controllability especially during full throttle acceleration. The status of this switchable system is displayed on the new 5-inch TFT instruments, and it can be turned off to suit certain situations such as track riding.

New R1-inspired upper triple clamp and handlebar switches

Overall feel and appearance of the R125’s cockpit is elevated to a whole new level with the new 5-inch TFT instruments as well as new R1-inspired high quality upper triple clamp that reinforces the bike’s pure R-Series DNA.

The clip-on handlebars are equipped with new R1-inspired ergonomic switches that enable the rider to control intuitively various functions including the new TFT screen theme.

Pre-wired for quickshifter

Every Yamaha R-Series is a race-bred machine that is inspired by the no-compromise spirit of the winning R1M and constructed with the latest race developed technology. The 2023 model is prewired for a quick shifter, making it straightforward for R125 riders to fit a Genuine Yamaha quick shift system that enables seamless full throttle upshifts for stronger acceleration.

Michelin Pilot Street tyres

The 2023 model is equipped with Michelin Pilot Street tyres that have been developed to offer sporty handling together with strong performance in the wet and dry – while their latest tread design offers an excellent grip / wear balance. Running on a 100/80-17 front tyre and a wide 140/70-17 rear tyre, this combination provides the R125 with excellent roadholding and agile cornering.

R125 Technical Highlights

- New dynamic R-Series body design
- New bi-functional compact LED headlight
- New R7-inspired LED position lights
- New R1-inspired 5-inch dual-theme TFT instruments
- New programmable shift light and rpm range
- New smartphone connectivity via CCU using Bluetooth
- New traction control system
- New R1-inspired upper triple clamp and handlebar switches
- New pre-wiring for quickshifter
- Sporty, comfortable and commanding riding position
- Torque rich 125cc EURO5 4-stroke engine with VVA (Variable Valve Actuation)
- A&S clutch
- KYB 41mm upside down front forks
- 292mm floating front disc / 220mm rear disc
- Lightweight cast aluminium swingarm
- 11-litre fuel tank
- 2-channel ABS
- Radial mount front brake caliper
- Deltabox frame with optimised geometry
- 2-piece rider/passenger seat, 825mm rider seat height
- Michelin Pilot Street tyres: 100/80-17 front / 140/70-17 rear
- New generation R-Series colours and graphics

Colours

Icon Blue
Tech Black