Arlington Motorsports

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2025 Yamaha YZ125 Monster Energy Yamaha Racing Edition

Bring the braaap in iconic Monster Energy® colors with the competition-bred YZ125 Monster Energy® Yamaha Racing Edition.

NEW FOR 2025

Roll like a factory pro with this striking Monster Energy® Yamaha Racing Edition. Inspired by Yamaha's factory race team, iconic blue and black Monster Energy® livery combines with the YZ125's sleek, aggressive bodywork for a competition-ready look and feel.

TOP FEATURES

Yamaha's advanced, liquid-cooled 125cc two-stroke engine provides impressive acceleration, thrilling mid- to high-rpm power, along with supreme usability.

The YZ125's renowned suspension performance offers unmatched levels of control, capability and comfort by way of the fully adjustable 48mm inverted KYB® front fork, including a new hand-adjustable clicker for easier compression adjustment, and a fully adjustable KYB® rear shock featuring reduced-friction Kashima Coat™ internals. It all adds up to class-defining suspension and handling characteristics.

Lightweight finely tuned chassis means nimble handling, more control and less rider fatigue"”the ideal platform for advancing skills and gaining confidence.

ENGINE

Yamaha's advanced, liquid-cooled 125cc two-stroke engine provides impressive acceleration, thrilling mid- to high-rpm power, along with supreme usability.

Patented Yamaha Power Valve System (YPVS™) combines crisp, hard-hitting bottom-end acceleration with strong mid-range and top-end.

High-precision Hitachi Astemo® Keihin PWK38S carburetor features a power jet, throttle position sensor and 3D-map-controlled CDI unit for precise ignition timing. The result is clean, crisp throttle response, superior rideability and excellent over-rev character.

CHASSIS/SUSPENSION

Race-proven, highly developed aluminum semi-double cradle frame is engineered to provide just the right amount of strength and flex for the perfect balance of stability and cornering performance. Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.

Lightweight finely tuned chassis means nimble handling, more control and less rider fatigue"”the ideal platform for advancing skills and gaining confidence.

The Speed Sensitive System 48mm inverted KYB® fork includes a leaf spring in the mid-speed valve for more precise damping and increased performance and comfort, while offering up 11.8 inches of travel. New for 2025, the fork now includes a hand-adjustable knob for quick, toolless compression adjustments.