Mercury 200 Optimax DTS Owner's Manual page 48

CONSOLE MOUNT - DUAL ENGINE/DUAL HELM STARTING PROCEDURE
Before starting, read the Pre‑Starting Check List, Special Operating Instructions, and Engine Break‑in Procedure
in the Operation Section.
Never start or operate your outboard (even momentarily) without water circulating through all the cooling water
intake holes in the gearcase to prevent damage to the water pump (running dry) or overheating of the engine.
1. Lower the outboard to the vertical operating position. Make sure all cooling water intake holes are
submerged.
2. Open fuel tank vent screw (in filler cap) on manual venting type fuel tanks.
3. Squeeze the fuel line primer bulb several times until it feels firm.
NOTE: The engine will not start unless the lanyard is set to the "RUN" position.
4. Set the lanyard stop switch to "RUN" position. Refer to General Information ‑ Lanyard Stop Switch.
5. Shift outboard to neutral (N) position.
OPERATION
CAUTION
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