Fuel System - Mercury 80 Owner's Manual

a - Purge vent tube
AIR FILTER ASSEMBLY INSTALLATION
1. Place the air filter assembly over the air intake as shown and then push the air filter assembly onto the
air intake until it is fully seated.
2. Reconnect the breather tube and purge vent tube to the air filter.

Fuel System

Avoid serious injury or death from gasoline fire or explosion. Carefully follow all fuel system service
instructions. Always stop the engine and do not smoke or allow open flames or sparks in the area while
servicing any part of the fuel system.
IMPORTANT: Use an approved container to collect and store fuel. Wipe up spilled fuel immediately. Material
used to contain spilled fuel must be disposed of in an approved receptacle.
Before servicing any part of the fuel system:
1. Stop engine and disconnect the battery.
2. Perform fuel system service in a well ventilated area.
3. Inspect any completed service work for sign of fuel leakage.
FUEL LINE INSPECTION
Visually inspect the fuel line for cracks, swelling, leaks, hardness, or other signs of deterioration or damage. If
any of these conditions are found, the fuel line must be replaced.
FUEL FILTERS
Refer to the Inspection and Maintenance Schedule for the proper maintenance interval.
The engine is equipped with two fuel filters, One low pressure filter and one high pressure filter. The low pressure
filter can be serviced as a general maintenance item, however the high pressure filter is under high pressure
and should only be serviced by an authorized dealer.
MAINTENANCE
b
WARNING
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b - Bottom tab
a
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