V-Force 4 Reed System With Carbon Fiber Petals - V4R04 - 2005-2022 Yamaha YZ125

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V-FORCE 4 REED SYSTEM - V4R04

Applications: Yamaha YZ125
Model Years: 2005-2022

The all-new VForce4R for the Yamaha YZ125 offers enhanced reed petal life as well as all the added benefits of the unique VForce reed valve design.

V-FORCE 4 FEATURES

• All-new reed petal resin system, carbon fiber and lay-up
• Pre-curved reed petal ensures better seal at tip
• Wider reed cage for maximum airflow
• Combined reed tip area increased by 10.5% resulting in increased total air flow
• Airfoil shape added to cage tip to increase air velocity from outer ports
• Long reed stops added to progressively slow petal tip velocity, for increased petal durability
• Reduced frontal area of central wing by 15.6% combined with a more aerodynamic shape