ATHENA S410485303015 Exhaust Valve Kit for Yamaha YZ 125

The ATHENA exhaust valve kit is designed to optimize the performance of your Yamaha YZ 125, ensuring a smooth and responsive engine response.

This set of exhaust valves is essential for those looking to maximize the efficiency of their exhaust system, contributing to better gas management and an increase in power.

It is important to note that the kit works exclusively in combination with the corresponding cylinder set, ensuring perfect integration and high performance.

Choosing this kit means investing in a component that will make a difference in your riding experience.

• High-quality material for greater durability
• Optimized design for better aerodynamics
• Easy installation with standard tools
• Compatible exclusively with ATHENA cylinders
• Increase in engine power
• Improved engine response
• Reduction of back pressure
• Tested to ensure high performance