V-Force 4 Reed Valve Set

V-Force 4 reed valve system for Yamaha YZ 80 (1993–2001), Yamaha YZ 85 LW (2002–2026), Yamaha YZ 85 SW (2002–2026). 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.