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Mercury 40 User Manual

Mercury 40
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FEATURES & CONTROLS
41
ENGINE OVERHEAT
If the engine overheats, immediately reduce throttle speed to idle.
Shift outboard into neutral and check for a steady stream of water
coming out of the water pump indicator hole.
19805
If no water is coming out of the water pump indicator hole or flow
is intermittent, stop engine and check the cooling water intake
holes for obstruction. If no obstruction is found, there may be a
blockage in the cooling system or a water pump problem. Have the
outboard checked by your dealer. Operating the engine while
overheated will cause engine damage.
NOTE: Should overheating occur and you are stranded, stop the
engine and allow it to cool down. This will usually allow some
additional low speed (idle) running time before the engine starts to
overheat again. Operating an overheated engine will cause engine
damage.
If a steady flow of water is coming out of the water pump indicator
hole and the engine continues to overheat, consult your dealer.
Operating an overheated engine will cause engine damage.
LOW OIL LEVEL
The warning system will be activated if the oil level drops below
the sight gauge in the cowl when the outboard is in a vertical
position. There is still oil reserve remaining for 30 minutes of full
speed operation. Refer to Fuel & Oil - Filling Oil Injection
System.
3103

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Mercury 40 Specifications

General IconGeneral
Horsepower40 hp
Starting SystemElectric
SteeringRemote
Fuel Induction SystemEFI (Electronic Fuel Injection)
Shaft Length20"
Full Throttle RPM Range6000

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