Fuel Tank (Portable Fuel Tank); Fuel Cock - Yamaha F4B Owner's Manual

Fuel tank cap
This cap seals the fuel tank. When removed,
the tank can be filled with fuel. To remove the
cap, turn it counterclockwise.
Air vent screw
This screw is on the fuel tank cap. To loosen
the screw, turn it counterclockwise.
1. Air vent screw
2. Fuel tank cap
3. Built-in fuel tank
EMU39353

Fuel tank (portable fuel tank)

This model can be equipped with an optional
portable fuel tank. The parts of the fuel tank
are as follows.
Fuel tank cap
This cap seals the fuel tank. When removed,
the tank can be filled with fuel. To remove the
cap, turn it counterclockwise.
Air vent screw
This screw is on the fuel tank cap. To loosen
the screw, turn it counterclockwise.
Fuel joint
This joint is used to connect the fuel line.
Fuel gauge
This gauge is located on either the fuel tank
cap or on the fuel joint base. It shows the ap-
proximate amount of fuel remaining in the
tank.
1
2
1. Air vent screw
2. Fuel gauge
3. Fuel joint
3
4. Fuel tank cap
EWM02380
WARNING
ZMU06717
Do not use the portable fuel tank as a fuel
storage container. Commercial users
should conform to relevant licensing or
approval authority regulations.
EMU40090

Fuel cock

The fuel cock turns on and off the supply of
fuel from the fuel tank to the engine.
The fuel cock has 3 positions: the closed po-
sition, built-in fuel tank position, and portable
fuel tank position. Depending on how the out-
board motor will be used, align the fuel cock
with the appropriate position indicated on the
label that is affixed to the outboard motor.
4
1. Fuel cock
2. Closed position
Components
4 1
3
2
3
2
ZMU01992
1
ZMU06880
14