The 2020 YZ125X takes Yamaha’s legendary YZ125 motocross foundation and redefines it for cross-country excellence. With its refined two-stroke engine, optimized suspension, and off-road-focused features, this machine is built to perform in every condition—from tight trails to open racing terrain.
Built for those ready to step up their game, the YZ125X delivers smooth, predictable power and unmatched responsiveness. Whether you’re an experienced rider or an aspiring racer, the YZ125X ensures every ride feels fast, confident, and exhilarating.
Key Features
Engine
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GNCC®-Tuned 125cc Power:
Derived from the iconic YZ125, this 125cc liquid-cooled, reed-valve-inducted 2-stroke engine has been tuned with a revised compression ratio and model-specific CDI unit for enhanced off-road performance. -
Yamaha Power Valve System (YPVS):
Features broader opening timing compared to the motocross version, providing smoother, more manageable power delivery across the rev range.
Design & Ergonomics
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Cross-Country Ergonomics:
Racy “gripper” seat, narrow fuel tank, and tapered aluminum handlebar with adjustable mounts provide superior comfort and mobility for any riding style. -
Off-Road Ready:
Equipped with an 18” rear wheel, off-road tires, larger rear sprocket, sealed O-ring chain, reserve fuel petcock, and durable side stand for maximum cross-country capability.
Detailed Specifications
| Specification | Details |
|---|---|
| Condition | Used |
| Year | 2020 |
| Make | Yamaha |
| Model | YZ125X |
| Category | Dirt Bike |
| Type | Motorcycle |
| Location | Medina, OH |
| Stock Number | 250126A |
| VIN | JYACE29C7LA000739 |
| Primary Color | Team Yamaha Blue |
| Price | $5,199 |
Why Choose the YZ125X from BMX Bike Zone
At BMX Bike Zone, we bring riders the highest-performing machines for every discipline. The 2020 Yamaha YZ125X stands as a true race-bred legend, lightweight, responsive, and ready for competition. Perfect for riders looking to take their performance to the next level, this Yamaha delivers world-class engineering in every detail.
Own the trail. Master the race. Level up with the YZ125X today.
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