Light weight, but heavy on the fun factor. The 125cc liquid‑cooled 2‑stroke is the most fun you can have on two wheels.
Amazingly compact 124cc reed-valve-inducted two-stroke helps produce an awesome power-to-weight ratio.
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.
Six-speed, close-ratio transmission optimizes gear ratios for maximum performance.
Digital CDI system delivers precise spark and monitors engine speed to ensure optimal timing for faster, stronger response during hard acceleration.
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.
A carefully engineered, advanced aluminum frame and swingarm give the YZ125 the best handling in its class.
Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.
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.
Premium Dunlop® knobbies offer race-spec traction and wear.
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.