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Key Features

Features Gallery
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    High-tech 125cc engine with VVA system

    The R125’s highly efficient engine is equipped with large intake and exhaust valves and a compact combustion chamber that provides impressive acceleration. Its And its high-tech VVA Variable Valve Actuation (VVA) system optimizes the valve position for strong low rpm torque with high rpm power. A While the wide diameter throttle body gives a smooth and controllable throttle feel – and the sports exhaust system produces a sporty and emotive sound.

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    Icon Blue and Tech Black colours

    The R125 shares the same race-bred DNA as every member of the iconic R-Series family. Now available in a new premium duo-tone Icon Blue colour with matt blue detailing – as well as a dynamic Tech Black option – this is surely the most impressive looking R125 ever!

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    Deltabox frame

    Delivering smooth and light handling characteristics as well as excellent high-speed comfort, the R125 is one of the best-handling bikes in its category. Its Deltabox frame uses optimum front and rear geometry as well as a short aluminium swingarm and 41mm upside down forks to give you the ultimate 125cc supersport chassis specification.

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    Lightweight aluminium swingarm

    Yamaha R-Series models are designed to give you the ultimate in style, performance and technology. And to underline this, the R125 features a lightweight aluminium swingarm. Manufactured using Yamaha’s advanced casting technology, its short dimensions, low weight and optimized rigidity deliver sporty handling performance.

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    A&S (Assist & Slipper) clutch

    To help you take full advantage of the free-revving engine performance, the R125 is equipped with an A&S clutch that gives a light feel at the lever for easy operation and precise control. This design ensures smooth and efficient acceleration, and during deceleration the A&S clutch improves controllability.

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    R-Series LED twin-eye body design

    Inspired by the iconic R1, the confident and aggressively styled face of the R125 features dual LED headlights that reinforce the shared family DNA. And with the M1 MotoGP® style front fairing, LED taillight and premium finish emphasizing the race-bred specification, there’s no mistaking that pure R-series DNA runs through the R125’s stunning bodywork.

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    11-litre fuel tank

    The R125’s race-style bodywork is complemented by a sleek fuel tank that accentuates the bike’s pure supersport pedigree. Consisting of a steel inner tank protected by lightweight close-fitting external covers with a high-quality finish, the 11-litre tank can be easily removed for routine maintenance.

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    MotoGP®-inspired M1 type cockpit

    Everything about the R125 is designed to give you the ultimate supersport experience. Inspired by Yamaha’s MotoGP® bike, the racy cockpit features a high-quality handlebar crown, as well as a high-visibility LED instrument panel and brake lever protector that put you in total control on the track and on the street.

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    High-visibility LCD instruments

    When you turn on the R125’s ignition you’ll be greeted with a personal greeting from the high-tech instruments – and once you’re riding the multi-function display gives you information on gear position and shift timing, as well as a VVA indicator. Housed in a stylish and sporty panel, these high-visibility instruments keep you informed.

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    Sporty and comfortable riding position

    Besides the M1 style cockpit, the race-bred R125 is also equipped with a 2-piece rider and passenger seat featuring thick foam for a smooth ride. With an optimized handlebar position and aluminium rear set footrests, the R125’s ergonomics give a balanced riding experience that's both sporty and comfortable.

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    Wide 140-section rear tyre

    To confirm its strong R-series DNA the R125 runs with a wide 140/70-17 rear tyre that gives excellent stability and confident cornering. Offering a good balance of grip and durability, this supersport style tyre is designed to enable you to optimize the potential of the engine’s broad spread of power, and its wide section accentuates the bike’s aggressive R-Series stance.

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    Outstanding braking performance

    Equipped with a large diameter 292mm front disc and a 230mm rear disc, the R125’s braking systems produce outstanding performance. Featuring state-of-the-art calipers and lightweight discs that deliver powerful and progressive stopping power, this sophisticated braking set-up gives you precise and accurate control.

Technical Specifications

Download Factsheet
  • Engine
    Engine type
    Liquid-cooled, EURO5, SOHC, 4-stroke, 4-valves
    Bore x stroke
    52.0 mm x 58.7 mm
    Compression ratio
    11.2 : 1
    Maximum power
    11,0kW (15,0PS) @ 10.000 rpm
    Maximum Torque
    11,5Nm (1,16 kg-m) @ 8.000 rpm
    Lubrication system
    Wet sump
    Clutch Type
    Wet, multiple-disc coil spring
    Ignition system
    TCI (digital)
    Starter system
    Transmission system
    Constant Mesh, 6-speed
    Final transmission
    Fuel consumption
    2,1 L / 100 km
    CO2 emission
    47 g/km
    Electronic Fuel Injection
  • Chassis
    Steel Deltabox
    Caster Angle
    Front suspension system
    Upside-down telescopic fork, Ø41 mm
    Rear suspension system
    Swingarm, (Link type suspension)
    Front travel
    130 mm
    Rear Travel
    114 mm
    Front brake
    Hydraulic single disc, Ø292 mm
    Rear brake
    Hydraulic single disc, Ø220 mm
    Front tyre
    100/80-17 M/C
    Rear tyre
    140/70-17 M/C
  • Dimensions
    Overall length
    1,990 mm
    Overall width
    755 mm
    Overall height
    1,140 mm
    Seat height
    820 mm
    Wheel base
    1,325 mm
    Minimum ground clearance
    160 mm
    Wet weight (including full oil and fuel tank)
    144 kg
    Fuel tank capacity
    Oil tank capacity