Sending Fuel - Yamaha F4B Owner's Manual

EMU39395

Sending fuel

Sending fuel for built-in fuel tank
1. Loosen the air vent screw by 1 or 2 turns.
1. Air vent screw
2. Align the fuel cock with the built-in fuel
tank position.
1
1. Built-in fuel tank position
3. Remove the top cowling, and then
squeeze the primer pump in the bottom
cowling repeatedly until you feel it be-
come slightly firm.
1
1. Primer pump
4. Install the top cowling.
Sending fuel for portable fuel tank (optional)
ZMU06740
1. Loosen the air vent screw on the portable
fuel tank by 2 or 3 turns.
1
1. Air vent screw
ZMU06720
2. If there is fuel in the built-in fuel tank, loos-
en the air vent screw by 1 or 2 turns to
prevent pressure from increasing inside
the tank due to fuel expansion.
1. Air vent screw
Operation
1
1
ZMU06826
ZMU06740
30