2007-2009 Kawasaki KFX50 service manual, Page 99Get this manual
5FUEL SYSTEM CARBURETOR CLEANING Blow compressed air through all passages of the carburetor body
FLOATFLOAT VALVE INSPECTION Inspect the float valve seat for wear or damageInspect the float for damage or fuel level inside the float chamber
FUEL RESERVOIR O-RING CHECK Remove the O-ringInspect the O-ring for damageReplace with new one if necessary