Mercury MerCruiser 8.1S - Coolant and Water Flow Diagrams

GASOLINE ENGINE 8.1 S INBOARD MODELS
Page 56 of 58
Coolant And Water Flow Diagrams
NOTE: Certain components in the following diagram may look different than on your
particular power package, but the water and coolant flow paths remain similar on all
engines.
a
b
c
d
10
11
1
2
3
4
5
6
7
8
9
c
12
13
14
12
13
14