2024 Yamaha YZ125 - Team Yamaha Blue

Aggressive YZ Styling

Aggressive bodywork including slim body panels and blacked-out radiator shrouds integrate with a bold graphics scheme to highlight the YZ's unmatched racing pedigree. Premium Yamaha Blue and dark blue graphics are embedded to provide excellent durability and scratch resistance.

Class-Leading KYB® Suspension

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 leaf spring in the mid-speed valve for more precise damping, and the fully adjustable KYB® rear shock featuring reduced-friction Kashima Coat™ internals. It all adds up to class-defining suspension and handling characteristics.

Confidence-Inspiring Ergonomics

A carefully considered ergonomic design includes a flatter seat, narrow fuel tank, smoothly integrated body panels and slim shroud width to enable greater freedom of movement forward and back, allowing the rider to easily shift body weight for increased control and confidence.

High Performance Braking System

High performance front and rear brake setup offers exceptional braking power and feel.

Perfect for Aspiring Motocrossers

A pure motocross machine, the light, nimble, competition-ready YZ125 is the perfect choice for riders stepping up from the 85cc class.

Powerful Two-Stroke YZ125 Engine

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

Rider-Friendly Chassis

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

Specification:

ENGINE

• Engine Type - 125cc liquid-cooled 2-stroke; reed-valve inducted
• Bore x Stroke - 54.0mm x 54.5mm
• Compression Ratio - 8.2~10.1:1
• Fuel Delivery - Hitachi Astemo® Keihin PWK38S carburetor
• Transmission - Constant-mesh 6-speed; multiplate wet clutch
• Final Drive - Chain
• Fuel Capacity - 1.8 gal

CHASSIS

• Suspension/Front - KYB® Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel
• Suspension/Rear - KYB® single shock; fully adjustable, 12.4-in travel
• Brakes/Front - Hydraulic disc, 270mm
• Brakes/Rear - Hydraulic disc, 240mm
• Tires/Front - 80/100-21 Bridgestone® Battlecross X20F
• Tires/Rear - 100/90-19 Bridgestone® Battlecross X20