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. CHASSIS/SUSPENSION 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
ARemovable aluminum rear subframe is constructed of square-section tubing for reduced weight. ADDITIONAL 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.