Water Flow Diagrams; 181 Cid / 3.0L Engines - Mercury Alpha Installation Manual

GASOLINE STERNDRIVE INSTALLATION MANUAL

Water Flow Diagrams

181 cid / 3.0L Engines

1 - Engine Circulating Pump
2 - Thermostat Housing
3 - Intake and Exhaust Manifold
4 - Exhaust Elbow
5 - Power Steering Cooler (If Equipped)
6 - Seawater Intake (From Sterndrive)
7 - Engine Block and Cylinder Head Assembly
"A" Water Flow With Thermostat Closed
"B" Water Flow With Thermostat Open
a -
b -
c -
d -
6
Page 134 of 137
To Exhaust Manifold
To Engine Circulating Pump
Inlet From Sterndrive
From Block and Cylinder Head
4
5
7
A
b
B
b
3
2
1
INDEX
a
c
d
a
c
d
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90-860172011