Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 104Get this manual
bDISASSEMBLY Before disassembly, completely drain the carburetor by loosening the drain screwClean the outside of the carburetor before disassembly
Gasoline is highly flammable and explosiveYou can be burned or seriously injured when handling fuelKeep heat, sparks, and flame awayHandle fuel only outdoorsWipe up spills immediately1) Remove the screw and set plate, then remove the auto SE thermal valve and O-ring (Electrical starter type)2) Remove the drain tube from the float chamber