Air Cut Off Valve Rebuild Kit Yamaha YFM350ER Moto-4 87-95, YFM350FW Big Bear 87-98, YFM350U Big Bear 96-99, YFM35FX Wolverine 95, YFM400 Kodiak 4WD 93-97
- Kit Includes all necessary parts to rebuild the air cut-off valve circuit. motorcycle models with multiple carburetors include components to repair all carburetors. - Kit includes necessary o-rings, diaphragm, spring, screws. - Improperly functioning air cut-off valves can stick open closed causing popping on deceleration running conditions.