NAMURA YZ125 Cylinder Only - Part Number CX-40001

When it comes to upgrading your engine, choosing the right components is essential for achieving optimal performance.

Namura’s cylinders and cylinder kits are designed to meet the needs of both casual riders and performance enthusiasts alike.

By offering a variety of sizes, including +5mm big bores, Namura ensures that you can find the perfect fit for your engine rebuild or enhancement project. The advantage of choosing Namura goes beyond just their selection of cylinders. 

Cylinders 

Brand new and designed strictly off of OEM specifications. cast from ab4c aluminum

With nickel silicon carbide plated bore. this allows our cylinders to have some of the best wear capabilities in the market. most cylinders are simple drop in install with no case modifications necessary.

Fit Yamaha YZ125 (2005-2021)
Ceramic Composite Cylinder
Used standard bore 53.95mm Piston

Upgrade your Yamaha YZ125 with the NAMURA CX-40001 cylinder only, designed for optimal performance and durability. Crafted by NAMURA, this replacement cylinder offers precise fitment and high-quality materials to ensure reliable operation in demanding riding conditions. Whether rebuilding or replacing your existing component, this cylinder provides a significant boost in engine efficiency and power output.
Constructed with durability in mind, the NAMURA YZ125 cylinder features a robust design that resists wear and thermal stress. It’s engineered to meet or exceed OEM specifications, ensuring seamless integration with your motorcycle’s engine system. The cylinder's design promotes better heat dissipation, which helps maintain consistent performance during extended rides and intense racing sessions.
Installation is straightforward for experienced mechanics and seasoned enthusiasts familiar with Yamaha YZ125 models. Proper installation and regular maintenance will maximize the lifespan of this component, delivering dependable performance over time. Trust NAMURA's reputation for quality and precision engineering to keep your motorcycle running at its best with this high-performance cylinder replacement.

Features:

• Designed specifically for Yamaha YZ125 models to ensure perfect fitment

• High-quality construction for enhanced durability and performance

• Promotes better heat dissipation to maintain consistent engine temperature

• Engineered to meet or exceed OEM specifications for reliable operation

• Robust design resists wear and thermal stress in demanding conditions