Mercury 350 MAG MPI Installation Manual

INSTALLATION MANUAL
90-864198020 Page 63 of 77
3 POINT MANUAL DRAIN SYSTEM
NOTE: Use this procedure if your engine is not equipped with an air actuated single point
drain system or if the single point drain system fails.
1. Close the seacock.
2. Remove the blue drain plug from the distribution housing (lower front, port side).
77917
a
a-Blue Drain Plug
3. Immediately remove the blue drain plug from the side of the thermostat housing. This
must be removed within 30 seconds to properly vent the cooling system.
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a-Blue Drain Plug Location

Mercury 350 MAG MPI Specifications

General

Engine Type	V8
Horsepower	300 HP
Ignition	Electronic
Alternator	65 amp
Cylinders	8
Displacement	5.7 L
Fuel System	Multi-Port Fuel Injection (MPI)
Emissions	EPA Certified