V-Force 4X Reed Valve Set with Light Tension Petal

V-Force 4X reed valve system for Yamaha YZ 250 (1997–2027), Yamaha YZ 250 Monster Energy Racing Edition (2022–2023), Yamaha YZ 250 X (2016–2027). The composite cage improves flow and engine response — stronger pull and quicker throttle response. V-Force is the reference among reed valves for motocross: long service life, precise fit and a direct replacement for the original. Complete assembly.