Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 71Get this manual
HONDA BFSOAmB5A
4) Loosen the 12 mm flange bolt (Remote control type only)5) Slide the choke solenoid rearward (Remote control type only)6) Disconnect the breather tubeDisconnect the 5.3 70 mm fuel tube and 5.3 55 mm fuel tube from the fuel pumpRemove the 12 mm flange bolts, four 32 mm flange bolts and mm cap nuts, Remove the carburetor assembly from the engineCAUTION: Take care not bend the plunger rod when removing the carburetor assembly