V-FORCE V-Force 4RI membraan systeem - Yamaha YZ85 2L bladder keeps you hydrated

2L bladder keeps you hydrated on those long rides

Reflective elements

Unlock more power without compromising reliability

Total Grip

V-FORCE V-Force 4RI membraan systeem - Yamaha YZ85 2L bladder keeps you hydratedMoto 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: 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