Improperly functioning air cut-off valves can stick open or closed, causing poor running conditions and popping during deceleration. Air Cut-Off Valve Kit includes O-rings, diaphragm, spring and screws necessary to rebuild the air cut-off valve circuit.

This Part Fits:

Year	Make	Model	Submodel
1999-2004	Yamaha	YFM250 Bear Tracker	Base
1987-2004	Yamaha	YFM350X Warrior	Base
1998-1999	Yamaha	YFM400F Kodiak 4x4	Base