Water Flow Diagrams; Mcm Alpha - Mercury 305 CID Service Manual

Water Flow Diagrams

MCM Alpha

THERMOSTAT
HOUSING
NOTE: Thermostat housing
check-balls will not be present
on later models.
Index
6A-20 - SEAWATER COOLING MODELS
OVERBOARD
THERMOSTAT
COVER
ENGINE
CIRCULATING
PUMP
TO EXHAUST
MANIFOLDS
FROM
ENGINE
TO ENGINE
CIRCULATING
PUMP
ENGINE BLOCK
INTAKE MANIFOLD
AND CYLINDER HEAD
ASSY.
POWER
STEERING
FLUID
COOLER
TO EXHAUST
ELBOW
FROM WATER INLET
(VIA FLUID COOLER)
THERMOSTAT
LEGEND
COLD
WARM
WATER INLET
(FROM STERN
DRIVE)
EXHAUST ELBOW
RESTRICTOR
EXHAUST
MANIFOLD
22382
(NOTE)
22380
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