Moto Tassinari VForce4 Reed Valve Yamaha YZ125 V4R04
The Moto Tassinari unique VForce4 reed valve system by has been the reed valve system of choice for the 05-17 Yamaha YZ125
When racers looking for the performance edge on two-stroke race bikes. The VForce4 reed valve system for the Yamaha YZ125 will increase horsepower and torque by increasing the efficiency over a conventional reed valve design.
The new VForce4Ri utilizes a winged air guide that increases air velocity for a dramatic gain in throttle response. Paired with the new winged air guide is a custom intake manifold boot that offers a straighter shot to the intake that greatly enhances both airflow and performance. The VForce4Ri also incorporates carbon fiber reed petals designed to ensure superior reliability and maximum performance.
Features of the VForce4 Reed Valve - Yamaha YZ125:
- Rubber over-molded reed cages to aid in sealing to extend reed life.
- VForce4 Reed 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
- Fitment: Yamaha 05-17 YZ125
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