Honda Outboards BF40A/BF50A Service Manual, Page 73Get this manual
HONDABF35A4!1A bDISASSEMBLYIREASSEMBLV
FUel LINE
Before installing the fuel tubes, check for deterioration or damageReplace if necessary
11 Remove the carburetor assembly (p5-3)Parts marked with " :" can !!!"!d reassembled with the carburetor mounted on the frame
[3] 10 mm SCREW (2)
1: [21 3.5 190 mm TUBE
[5] 3.5 45 mm FUEL TUBE 13}
(BF45A only)