Honda Outboards BF40A/BF50A Service Manual, Page 320Get this manual
BF40A-BF50A
2CARBURETORMANIFOLD REMOVAL
Gasoline is highly flammable and explosiveYou can be burned or seriously injured when handling fuel Keep heat, sparks, and flame away Handle fuel only outdoors Wipe up spills immediately
1) Remove the engine cover2) Remove the flywheel cover (P6-1)3) Drain the carburetor by loosening the drain screws4) Pull off the breather tube from the silencer cover