2001-2014 Honda BF/BFP8D, BF/BFP9.9D Outboards Shop Manual, Page 107Get this manual
BFBC-BF9.9C dINSPECTION Float Level Height
Place the carburetor in the position as shown and measure the distance between the float top and carburetor body when the float just contacts the seat without compressing the valve spring Standard float height 13.5 mm (0 .53 in)
If the height is out of specification, adjust the float height by bending the float mounting tab carefully
FLOAT LEVEL GAUGE 074010010000
FloatFloat ValveFloat Valve Seat
1) Check the float for cracks or damage Replace if necessary2) Check the float valve for wear or damage, replace if necessary