8.1S And Ho Inboard Water Flow Diagram; Coolant And Water Flow Diagrams - Mercury MerCruiser Product Applications Manual

8.1S and HO Inboard Water Flow Diagram

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.
10
5
90-863758060 AUGUST 2006
13
12
15
11
1
6
7
8
9
1 - Seawater pump/Air actuator
2 - Air actuator
3 - Transmission cooler
4 - Oil cooler
5 - Gen III Cool Fuel Module
6 - Heat exchanger
7 - Thermostat
8 - Crossover
3
4
2
8227
9 - Water circulating pump
10 - Coolant reservoir
11 - Exhaust manifold
12 - Elbow
13 - Water and exhaust outlet
14 - Gasket (2 per side)
15 - Turbulator (1 per side)
Cooling System
14
Page 7A-21