Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 83Get this manual
3FUEL TUBE
DISASSEMBLYJASSEMBLY
Before installing the fuel tubes, check for deterioration or damageReplace if necessary1) Remove the engine cover
2) Remove the carburetor assembly (P5-1 13) Remove the electric starter [Electric starter type only]