Moto Tassinari VForce4Ri Reed Valve - V4R82A-I - 2002-2024 Yamaha YZ85

Moto Tassinari VForce4R Reed Valve System – Carbon Fiber, Max Airflow – Enhanced Durability

The Yamaha YZ85 VForce4Ri system includes several key enhancements designed to optimize performance. The custom intake manifold boot delivers a straighter shot to the intake, which significantly improves airflow, boosting overall engine performance. 

All VForce4R models, including the YZ85 version, feature a rubber overmolded pad on the reed tip area, which helps to extend the lifespan of the reed petals by reducing wear over time. This combination of materials and design improvements allows for smoother air intake, resulting in enhanced throttle response, increased horsepower, and improved engine efficiency​

Features:

Enhanced VForce4 Features

• Advanced Carbon Fiber Reed Petals for maximum strength and performance
• Pre-Curved Reed Petals ensure a superior seal for optimized efficiency
• Wider Reed Cage for increased airflow and power gains
• 10.5% Larger Reed Tip Area boosts overall airflow
• Airfoil Design enhances air velocity for better performance
• Extended Reed Stops improve durability by reducing petal wear
• 15.6% Aerodynamic Improvement with a streamlined central wing

Upgraded VForce4R Features

• Rubber Overmolding on reed tips enhances petal longevity
• Pre-Curved Petals ensure better sealing for improved airflow

New VForce4Ri Features

• • Custom Intake Manifold Boot delivers a straighter airflow path for improved performance and throttle response

Fitment:

Yamaha YZ85 2002-2024 - V4R82A-I

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