Mercury 8 User Manual page 71

2. Position the fuel line primer bulb so the arrow on the side of
the bulb is pointing up. Squeeze the fuel line primer bulb
several times until it feels firm.
IMPORTANT: To prevent engine flooding, do not squeeze the
primer bulb after engine has warmed up.
3. Set the lanyard stop switch to "RUN" position. Refer to
General Information ‑ Lanyard Stop Switch.
4. Set the tiller handle gear shift to neutral ("N") position.
5. If the engine is cold, press the fuel primer in twice.
IMPORTANT: Avoid engine flooding ‑ Do not press in the fuel
primer if engine is warm. This will inject fuel into the engine and
may cause a hard starting flooded condition.
OPERATION
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