Honda BF50 (5HP) BF5A Outboard Motors Shop Manual., Page 13Get this manual
HONDA BF5OBF5A
b, POOR PERFORMANCE
1 1Wet fouled spark plug caused by improper choke operation Faulty spark plug rn Flooded carburetor rn Improperly adjusted pilot screw Air leaking past carburetor insulator caused by damaged gasket Fouled or faulty spark plugI
rn Choke stuck closed rn Improper valve timing
Water in carburetor Overheating rn Improper valve seat contact Binding of throttle cable Faulty carburetor throttle valve Improperly adjusted throttle opener