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2026 YZ125

KEY FEATURES

NEW FOR 2026

Updated CDI settings optimize combustion for more linear power delivery and enhanced rideability.

Updated air intake and intake boot design yield a more seamless connection and smoother airflow.

Revised carburetor setting for more consistent performance in varied conditions.

ENGINE

Yamaha's advanced, liquid-cooled 125cc two-stroke engine provides impressive power and supreme usability.

Patented Yamaha Power Valve System combines crisp bottom-end torque with potent mid-range and free-revving top-end.

High-precision Hitachi Astemo® Keihin PWK38S carburetor provides clean, crisp throttle response and superior rideability.

Digital CDI system delivers precise spark and monitors engine speed to ensure optimal timing for faster, stronger response.

Close-ratio six-speed transmission has wider gear tooth width and optimized gear ratios for maximum performance.

High-capacity radiator with dark louvers deliver maximum cooling efficiency and an aggressive look.

CHASSIS/SUSPENSION

Lightweight finely tuned chassis means nimble handling, more control and less rider fatigue.

Premium Bridgestone® Battlecross X20 tires offer strong cornering grip and race-developed performance.

High performance braking system features a 270mm front and 240mm rear rotors offering exceptional braking power and feel.

Fully adjustable KYB® shock provides exceptional rear wheel control and class-leading capability.

Best-in-class Speed Sensitive 48mm KYB® fork includes a leaf spring in the mid-speed valve for unmatched performance.

Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.

Race-proven aluminum semi-double cradle frame is engineered to provide the perfect balance of strength and flex.

ADDITIONAL FEATURES

Carefully considered ergonomic design includes a flat seat and slim, integrated body panels for greater freedom of movement.

Competition-ready features include two-position adjustable handlebar, wide foot pegs, and works-style cable adjuster.

Premium Yamaha graphics are embedded to provide excellent durability and scratch resistance.

*Manufacturer's Suggested Retail Price (MSRP) shown. Does not include tax, title, prep or destination charges. Actual prices set by dealer.
**Fuel Economy is estimated.
***Wet weight includes the vehicle with all standard equipment and all fluids, including oil, coolant (as applicable) and a full tank of fuel. It does not include the weight of options or accessories. Wet weight is useful in making real-world comparisons with other models.