Honda BF40D Mode D'emploi page 770

5) Remove the six 4 mm screw washers. Remove the water
jacket cover and the gasket.
Replace the gasket with the new ones.
6) Disconnect the drain tube and remove the drain screw.
7) Remove the O-ring from the drain screw.
Replace the O-ring with a new one.
8) Remove the five 5 mm screw washers. Remove the vapor
separator cover and the O-ring.
Replace the O-ring with a new one.
9) Remove the two screws and remove the float, float pin and
the float valve.
5-101
[3]
[2]
GASKET
WATER
JACKET
COVER
[1]
4 mm SCREW
WASHER (6)
[6]
DRAIN TUBE
[1]
VAPOR
SEPARATOR
COVER
[3]
O-RING
[2]
SCREW (2)
[1]
FLOAT PIN
770
[4]
O-RING
[5]
DRAIN
SCREW
[2]
5 mm SCREW
WASHER (5)
[3]
FLOAT
[4]
FLOAT
VALVE