Honda BF75-100 Owner's Manual page 36

4. Remove the clamps used to close the fuel tubes. Connect the fuel tank line
to the motor. Turn the fuel tank vent knob to the ON position, pump the
primer bulb, and check for leaks.
Contact an authorized Honda dealer if you find excessive water or sediment
accumulated in the fuel strainer.
FUEL STRAINER
The arrow mark indicates
the fuel flow direction.
CARBURETOR
34