V Force 4145 Reed Valve Kit For V-Force 4 YAMAHA Blaster ATV V4145 YFS200 1988-2006

V Force 4145 Reed Valve Kit For V-Force 4 YAMAHA Blaster ATV V4145 YFS200 1988-2006 Origin : CN(Origin) Condition: 100% Brand New Color: Black Material:Carbon Fiber & Plastic Type: Reed Valve Pacakge Included: 1pc Reed Valve Applications:YAMAHA YFS200 Blaster VForce4 V4145 STANDARD VFORCE REED VALVE FEATURES Double the reed tip surface over a conventional reed valve design Increased bottom end, stronger mid-range and longer top-end Greater efficiency due to reduced reed petal travel More airflow means more horsepower Reduced reed petal wear Screw free design eliminates risk of screws going through motor Screw free design enables super quick reed petal changes NEW AND IMPROVED VFORCE4 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