Honda Outboards BF40A/BF50A Service Manual, Page 72Get this manual
HONDABF3!5A-4!5A 4) Loosen the 12 mm SH flange bolt (Remote control type only)5) Slide the remote choke solenoid rearwarddetach the rod joint from the plunger rod, and remove the rod from the choke arm (Remote control type only)61 Disconnect the breather tubeDisconnect the fuel tube C
and 65 mm fuel tubeRemove the )( 25 mm flange bolt, five 32 mm flange bolts and the two mm cap nutsRemove the carburetor assembly from the engine