BF135A•BF150A Water in the fuel. Engine sometimes mis- fires or stalls. Check for water in the low pres- sure fuel strainer. Replace if nec- essary (P. 3-15). Check for water in the water sep- arator and drain if necessary (P. 3-19). Check for water in the fuel tank and drain if necessary. High pressure fuel strainer clogged. Replace the (high pressure) fuel strainer (P. 3-18). Low pressure fuel strainer clogged. Replace the (low pressure) fuel strainer (P. 3-15). Fuel tube faulty. Check for pinched or collapsed tube line and correct if necessary. Check the air vent knob of the tank. Open the air vent knob if it is closed. Check the primer bulb for air leak- age. Replace if necessary.
High pressure fuel system faulty. Perform fuel supply system trouble- shooting (P. 5-96). Propeller mismatched. Excessive engine speed Replace with the correct propeller. Propeller faulty. Replace the propeller. Outboard installation setting incor- rect (e.g. transom height, tilt angle, etc.) Adjust the installation setting. 2-19