TWO-STROKE TRACK RIPPER
Yamaha’s YZ125 brings snappy power and advanced performance in a reliable, ridable BLU CRU package for next-gen riders looking to develop their championship-winning skills.
Chassis / Suspension
- BEST-IN-CLASS KYB® FORK: Best-in-class Speed Sensitive 48mm KYB® fork includes a leaf spring in the mid-speed valve for unmatched performance.
- BRIDGESTONE® BATTLECROSS X20 TIRES: Premium Bridgestone® Battlecross X20 tires offer strong cornering grip and race-developed performance.
- FULLY ADJUSTABLE KYB® REAR SHOCK: Fully adjustable KYB® shock provides exceptional rear wheel control and class-leading performance.
- HIGH-PERFORMANCE DUAL-DISC BRAKES: High performance braking system features a 270mm front and 240mm rear rotors offering exceptional braking power and feel.
- LIGHTWEIGHT REMOVABLE REAR SUBFRAME: Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.
- NIMBLE LIGHTWEIGHT CHASSIS: Lightweight finely tuned chassis means nimble handling, more control and less rider fatigue.
- RACE-PROVEN ALUMINUM FRAME: Race-proven aluminum semi-double cradle frame is engineered to provide the perfect balance of strength and flex.
Engine
- CLOSE-RATIO SIX-SPEED TRANSMISSION: Close-ratio six-speed transmission has wider gear tooth width and optimized gear ratios for maximum performance.
- DIGITAL CDI IGNITION SYSTEM: Digital CDI system delivers precise spark and monitors engine speed to ensure optimal timing for faster, stronger response.
- HIGH-CAPACITY COOLING RADIATOR: High-capacity radiator with dark louvers deliver maximum cooling efficiency and an aggressive look.
- POWERFUL 125CC TWO-STROKE ENGINE: Yamaha’s advanced, liquid-cooled 125cc two-stroke engine provides impressive power and supreme usability.
- PRECISION CARBURETOR: High-precision Hitachi Astemo® Keihin PWK38S carburetor provides clean, crisp throttle response and superior rideability.
- YAMAHA POWER VALVE SYSTEM (YPVS): Patented Yamaha Power Valve System combines crisp bottom-end torque with potent mid-range and free-revving top-end.
Key Features
- POWERFUL TWO-STROKE YZ125 ENGINE: Out-of-the-box competition. Yamaha’s advanced, liquid-cooled 125cc two-stroke engine is ready to dominate with Yamaha’s patented Power Valve System (YPVS) providing impressive acceleration and thrilling mid- to high-rpm power, along with supreme usability.
- LIGHTWEIGHT RIDER-FRIENDLY CHASSIS: The YZ125 features a lightweight finely tuned chassis with nimble handling, precise control and reduced rider fatigue. The bike’s race-proven, highly developed aluminum semi-double cradle frame is engineered with just the right amount of strength and flex for the perfect balance of stability and cornering performance. Its removable aluminum rear subframe is constructed of square-section tubing for reduced weight.
- PREMIUM KYB® SUSPENSION: Unmatched suspension performance and handling characteristics equal class-leading levels of control and comfort. The premium Speed Sensitive System 48mm inverted KYB® fork includes a leaf spring in the mid-speed valve for more precise damping and increased performance. The fully adjustable KYB® rear shock features reduced-friction Kashima Coat internals, separate adjusters for high- and low-speed compression damping, and a full lock oil rebound system for enhanced comfort.
- RACE-READY FEATURES: The YZ125 is ready to race straight out of the crate, complete with adjustable aluminum handlebars, water-resistant PVC handle bar pad, wide foot pegs, gripper seat, adjustable clutch lever with works-style cable adjuster and lightweight rear sprocket design.
Other Features
- COMPETITION-READY ADJUSTABLE DETAILS: Competition-ready features include two-position adjustable handlebar, wide foot pegs, and works-style cable adjuster.
- EMBEDDED DURABLE GRAPHICS: Premium Yamaha graphics are embedded to provide excellent durability and scratch resistance.
- FREEDOM-OF-MOVEMENT ERGONOMICS: Carefully considered ergonomic design includes a flat seat and slim, integrated body panels for greater freedom of movement.



































