Mercury 40 Operator's Manual page 44

1. Open fuel tank vent screw (in filler cap) on manual venting type fuel tanks.
2. Squeeze the fuel line primer bulb several times until it feels firm.
3. Set the lanyard stop switch to RUN position. Refer to General Information ‑ Lanyard Stop Switch.
4. Shift outboard to neutral (N) position.
5. Move the neutral fast idle speed feature to the fully closed position.
a - Fully closed position
6. Starting Flooded Engine ‑ Advance the neutral fast idle speed feature to the maximum fast idle speed
position and continue to crank the engine for starting. Immediately reduce engine speed after engine starts.
OPERATION
ob00348
ob00349
ob00350
N
ob00351
a
b
b -
38
a
b
ob00353
Maximum fast idle speed position