Mercury 305 CID - Water Flow Diagrams; MCM Alpha

6A-20 - SEAWATER COOLING MODELS 90-823225--1 1096
Water Flow Diagrams
MCM Alpha
OVERBOARD
THERMOSTAT
COVER
THERMOSTAT
HOUSING
ENGINE
CIRCULATING
PUMP
ENGINE BLOCK
INTAKE MANIFOLD
AND CYLINDER HEAD
ASSY.
WATER INLET
(FROM STERN
DRIVE)
EXHAUST ELBOW
RESTRICTOR
EXHAUST
MANIFOLD
POWER
STEERING
FLUID
COOLER
22382
TO EXHAUST
MANIFOLDS
TO EXHAUST
ELBOW
FROM
ENGINE
TO ENGINE
CIRCULATING
PUMP
FROM WATER INLET
(VIA FLUID COOLER)
THERMOSTAT
LEGEND
COLD
WARM
22380
NOTE: Thermostat housing
check-balls will not be present
on later models.
(NOTE)