QuadBoss 07-09 Yamaha YFM250 Big Bear Air Cut-Off Valve Kit

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.

Complete rebuild kit with O-rings, diaphragm, spring, and screws to restore carburetor air cut-off function

Multi-carb models include components for all carbs; direct OEM replacement for reliable performance

Fixes sticking valves causing poor idle, popping on deceleration, and lean running conditions

Models with multiple carburetors include components to repair all carburetors

QuadBoss 07-09 Yamaha YFM250 Big Bear Air Cut-Off Valve Kit

Air Cut-Off Valve Kit