Filling The Fuel System - Mercury 225 Manual

5. Install the cowl seal.
a

Filling the Fuel System

When starting an engine for the first time, or starting an engine
that ran out of fuel or was drained of fuel, fill and prime the fuel
system.
To fill and prime the fuel system:
1. Squeeze the fuel line primer bulb until it feels firm.
2. Turn the key switch to the "ON" position for three seconds.
This operates the electric fuel pump.
3. Turn the key switch back to the "OFF" position and squeeze
the primer bulb again until it feels firm.
4. Turn the key switch to the "ON" position again for three
seconds.
5. Continue this procedure until the fuel line primer bulb stays
firm.
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OUTBOARD INSTALLATION
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Retainer