VFORCE/MOTO TASSINARI VForce4 Reed Valve - V4R04 - 2005-2024 Yamaha YZ125, and YZ125X

Moto Tassinari VForce4 Reed Valve - V4R04 - 2005-2024 Yamaha YZ125, and 2020-2024 YZ125X

Improve motocross bike performance with VFORCE/MOTO TASSINARI VForce4 Reed Valve. Increases horsepower and torque with double the reed tip surface area. Reliable and durable for high engine RPMs.

The VForce4Ri has a winged air guide and a custom intake manifold boot that improve airflow and throttle response. With carbon fiber reed petals, it guarantees reliability and maximum performance.

Features of the VForce4 Reed Valve - Yamaha YZ125:

• The “R’ cages have a rubber pad area for the reed tips to land on to improve reed life.
• Valve System increase torque and increases horsepower over the entire power band.
• VForce4 Reed Valve System incorporates the industry's first and only patented snap together reed valve design. The entire assembly is completely screwed free, meaning that when reed petals need changing the job is now literally a "SNAP".
• Newly designed reed stops for increased reed petal stability and a shorter reed cage for a noticeable performance increase due to lighter reed petals

 See More Yamaha YZ125 Performance Upgrades Engine Mods Accessories

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