V-FORCE V-Force 4RI membraan systeem - Yamaha YZ85 Carefully remove your old filter

Carefully remove your old filter cover taking care not to damage the sealing face on the crankcase

solid know-how and advanced technical skills in design and production

Meet the Multipurpose Tripod

Vertex patented manufacturing process

V-FORCE V-Force 4RI membraan systeem - Yamaha YZ85 Carefully remove your old filterMoto Tassinari's VForce Reed Valve Systems have been a reference for specialists in the preparation of 2 stroke engines for more than 10 years. VForce4Ri Reed Valvex increase engine power and gas reactivity by improving the efficiency of the intake system compared to the original reed valves Improved Vforce4 features : New Vforce4Ri features : All new reed petal resin system, carbon fiber and lay up Pre curved reed petal ensures better seal at tip