Schematic And Routing Diagram; Cooling Water Circulation Chart - Suzuki DF70A Service Manual

1F-2 Power Unit Cooling System:

Schematic and Routing Diagram

Cooling Water Circulation Chart

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The water cooling system includes the lower unit water pump, lower unit to power unit water supply tube, oil pan water
pressure valve, power unit water passages and thermostat.
This system cools both the power unit and exhaust and is shown in schematic form below.
If overheating occurs, the components of the cooling system must be inspected for blockage, corrosion build-up or
component damage.
Engine holder Return hose Thermostat open
Thermostat
Fuel return
pipe
Cylinder block Cylinder head
Oil pan
Engine holder
Oil pan
Pressure valve
Water jacket cover Oil pan Pilot water
hole
Driveshaft
housing
Water tube
Water pump
Water intake
Propeller exhaust outlet
WATER
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