Multi-Point Drain (Mpd) System - Mercury 350 MAG Manual

Multi‑Point Drain (MPD) System
1. Place the boat on a level surface to ensure complete draining of the system.
2. Remove the blue drain plugs from the following locations. It may be necessary to clean out the drain holes using a stiff piece
of wire. Do no until the entire system is drained.
a. Port and starboard side of cylinder block
b. Bottom of exhaust manifolds
c. Water circulating pump hose
a
d. Fuel cooler to thermostat housing hose
a
90-8M0050539 MAY 2011
eng
b
a
a
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b
a - Drain plug
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a - Drain plug
Section 6 - Storage
a - Cylinder block drain plug
b - Exhaust manifold drain
plug
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