Honda BF35A-BF45A Outboard Motors Shop Manual., Page 323Get this manual
3CARBURETOR aSEPARATION
Gasoline is highly flammable and explosiveYou can be burned or seriously injured when handling fuelKeep heat, sparks, and flame awayHandle fuel only outdoorsWipe up spills immediatelyBefore disassembly, drain the fuel from the carburetor and fuel lines completely