Light weight, but heavy on the fun factor. The 125cc liquid‑cooled 2‑stroke is the most fun you can have on two wheels.
Two-Stroke Power
Amazingly compact 124cc reed-valve-inducted two-stroke helps produce an awesome power-to-weight ratio.
Race-Developed Intake
Reed-valve spacer improves acceleration across the entire powerband.
Yamaha Power Valve System
Patented YPVS™ combines crisp, hard-hitting bottom-end acceleration with strong midrange and eye-opening top-end.
Close-Ratio Transmission
Six-speed, close-ratio transmission optimizes gear ratios for maximum performance.
Digital Ignition
Digital CDI system delivers precise spark and monitors engine speed to ensure optimal timing for faster, stronger response during hard acceleration.
High-Capacity Radiator
Large-capacity radiator features a 10-row core with four louvers to deliver maximum cooling efficiency at all performance levels.
270mm Front Brake
Large 270mm front disc brake coupled with high-performance pad material offers outstanding machine control and performance, with exceptional stopping power and controllability.
Aluminum Frame
A carefully engineered, advanced aluminum frame and swingarm give the YZ125 the best handling in its class.
Lightweight Subframe
Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.
Industry-Leading Fork
Speed-Sensitive System 48mm KYB® fork; damping force is controlled by piston speed which provides a smoother, more precise ride with 11.8 inches of travel.
Advanced KYB® Shock
Rear, fully adjustable KYB® shock features reduced-friction Kashima Coat™ internals, 12.4 inches of travel, separate adjusters for high- and low-speed compression damping, and a full lock oil rebound system for increased comfort. All adding up to fantastic rear wheel control and a sweet ride.
Race-Ready Tires
Premium Dunlop® knobbies offer race-spec traction and wear.
Race-Ready Features
The YZ125 is ready to race out of the crate, complete with an aluminum handlebar, 2-position adjustable handlebar clamp, wide foot pegs, gripper seat and adjustable clutch lever with works-style cable adjuster.
