Yamaha Vforce Chappy Performance Valve

Reed valve box that fits on chappy cylinder and Polini kit with 8 carbon reeds.
Performance part from Stage6. Ideal for boosting your chappy while maintaining the original look.

PERFORMANCES V FORCE 3 CHAPPY

The VForce 3 is a clamshell box high-end which will give you better revs and greater responsiveness, as well as a much wider range of use.

VFORCE 3 VALVE FEATURES

Produced by Moto Tassinari, this reed valve has 8 reeds instead of the traditional 4. We can therefore see two "points" plunging into the cylinder, each with 4 reeds. Between these two groups of reeds, we can see a "V" shape, hence its name "V-Force".