Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 288Get this manual
SE (Starter Enrichment) Thermal Valve Take care not to damage the valve part of the SE thermal valveAdjust the SE thermal valve installation angle as shown and tighten the screw securely
SE THERMAL VALVE
FloaWloat Valve
Removal:
1) Attach commercially available 2.0 mm pin driver to the opposite side of the knurled section of the float pin as shownDrive out the float pin by lightly tapping on the 2.0 mm pin driver2) Remove the float and float valve
CAUTION Do not damage the installation section of the float pinInstallation:
1) Set the float valve on the float tab as shown and install them on the carburetor body2) Install the float pin in the direction shown3) Install the float pin by lightly tapping on the knurled section side of the float pin using commercially available 2.0 mm pin driver