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Mercury 25 EFI FourStroke - Starting the Engine - Tiller Handle Models

Mercury 25 EFI FourStroke
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OPERATION
86 eng
IMPORTANT: If no water is coming out of the water pump
indicator hole, stop engine and check cooling water intake for
obstruction. No obstruction may indicate a water pump failure or
blockage in the cooling system. These conditions will cause the
engine to overheat. Have the outboard checked by your dealer.
Operating the engine while overheated may cause serious
engine damage.
WARMING UP ENGINE
Before beginning operation, allow the engine to warm up at idling
speed for three minutes.
Starting the Engine ‑ Tiller Handle Models
Before starting, read the PreStarting Check List, PreStarting
Instructions, and Engine Breakin Procedure in the Operation
section.
NOTICE
Without sufficient cooling water, the engine, the water pump,
and other components will overheat and suffer damage.
Provide a sufficient supply of water to the water inlets during
operation.
NOTE:
If the outboard has run out of fuel, or has been in storage
for an extended period of time, additional attempts to start the
engine will be required to purge the fuel system of air.
1. Open fuel tank vent screw (in filler cap) on manual venting
type fuel tanks.
19748

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