2024 Yamaha YZ125X

TOP FEATURES

 

 

Bold YZ Styling

 

Along with slim, aggressive bodywork, the bold graphics scheme further highlights the YZ family pedigree. Premium Yamaha graphics are now embedded to provide excellent durability and scratch resistance.

 

GNCC-Specific Features

 

Cross country focused suspension setup, optimized YPVS settings, lightweight Excel wheels paired with Dunlop Geomax MX33 tires, sealed O-ring chain, standard side stand and fuel tank petcock with reserve position all combine to make the perfect GNCC racer.

 

High Performance Braking System

 

High-spec front and rear brake setup offer exceptional power and feel, while reducing unsprung weight.

 

Industry-Leading Suspension

 

Yamaha’s renowned Speed Sensitive System KYB spring-type front fork is matched with a high performance KYB long-travel rear shock, both fully adjustable and tuned for the specific demands of cross country racing.

 

Lightweight Aluminum Frame

 

Ultra-lightweight YZ125-spec aluminum semi-double cradle frame is engineered to provide the perfect balance of rigidity and flex for competition-ready handling character and composure.

 

Two-Stroke Power: Tuned for Enduro Racing

 

The YZ125X is optimized for the unique demands of Hare Scrambles and GNCC racing. The powerful Yamaha Power Valve System (YPVS)-equipped 125cc two-stroke engine is mated to a six-speed transmission for the ultimate cross country powerplant.

 

ADDITIONAL FEATURES

 

 

Bold YZ Styling

 

Along with slim, aggressive bodywork, the bold graphics scheme further highlights the YZ family pedigree. Premium Yamaha graphics are now embedded to provide excellent durability and scratch resistance.

 

Cross Country Ergonomics

 

A racy gripper-type seat and narrow fuel tank combined with a tapered aluminum handlebar and adjustable mounts create greater freedom of movement and more comfortable ergonomics for riders.

 

Cross Country Features

 

The YZ125X is focused on enduro competition with an 18-inch rear wheel, larger rear sprocket, side stand, sealed O-ring chain and reserve fuel petcock, all adding up to exceptional cross country performance.

 

CHASSIS/SUSPENSION

 

 

Advanced KYB Shock

 

Fully adjustable KYB rear shock features reduced-friction Kashima Coat internals, separate adjusters for high- and low-speed compression damping, a full lock oil rebound system for increased comfort, and 12.4 inches of travel. It all adds up to fantastic rear wheel control and class-leading capability.

 

High Performance Brake System

 

A high performance, lightweight braking system features large front pistons, rigid calipers, and 270mm front rotor and 240mm rear rotor, all combining to provide exceptional braking power and feel along with reduced unsprung weight.

 

Industry-Leading KYB Fork

 

Tuned for the demands of cross country racing, the Speed Sensitive System 48mm inverted KYB fork includes a leaf spring in the mid-speed valve for more precise damping and increased comfort, while offering up 11.8 inches of travel. Additionally, a scraper between the dust and oil seal improves reliability in cross country conditions.

 

Lightweight Frame

 

Race-proven, highly developed aluminum semi-double cradle frame is engineered to provide the perfect balance of rigidity and flex for competition-ready handling character and composure. Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.

 

Premium Excel Wheels & Dunlop Tires

 

Slick blue Excel rims provide exceptional durability and a premium look. They come wrapped in high performance Dunlop Geomax MX33 tires for improved cornering traction, stability and feel.

 

ENGINE

 

 

Close-Ratio Six-Speed Transmission

 

An advanced, close-ratio six-speed transmission has wide gear teeth and optimized gear ratios for maximum performance.

 

Efficient Air Intake Design

 

Intake design allows for a straighter, more efficient draw of air into the intake tract.

 

High-Capacity Radiator

 

Large-capacity radiator with dark louvers deliver an aggressive look and maximum cooling efficiency for demanding racing conditions.

 

Narrow Exhaust Pipe

 

The compact exhaust expansion chamber provides both horizontal and vertical clearance on tight, technical trails while still providing excellent exhaust efficiency.

 

Powerful 125cc Two-Stroke Engine

 

The YZ125's advanced, liquid-cooled 125cc two-stroke engine provides impressive acceleration, thrilling mid- to high-rpm power, along with supreme usability.

 

Precise Fueling

 

Refined 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.

 

Tuned for GNCC Competition

 

The YZ125X utilizes a revised compression ratio, revised YPVS timing and a model-specific digital CDI unit compared to its motocross sibling—all focused on creating a broad, usable power delivery specifically suited to cross country and enduro-style competition.