Moose Racing 46-4006 - Moose Racing Air Cut Off Valve Rebuild Kit For Yamaha WRF250 2001-2013

Features: Improperly functioning air cut-off valves can stick open or closed causing popping on deceleration or poor running conditions. Kit Includes all necessary parts to rebuild the air cut-off valve circuit. Kit includes necessary O-rings, diaphragm, spring screws.