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FUEL SYSTEM
FUEL COMPONENT SERVICING
FUEL COMPONENT
SERVICING
Relieving Fuel System Pressure
IMPORTANT: Minimize fuel system pressure
before disassembly. Temporarily restrict the fuel
supply hose from fuel tank with hose pincer.
Remove propeller and disconnect circulation fuel
pump electrical connector. If outboard runs, start
and run at IDLE for 5 seconds and STOP out-
board. If outboard does NOT run, crank for 10
seconds.
Disconnect the battery cables at the battery.
Wrap a shop towel completely around the pres-
sure test valve while connecting fitting from Fuel
Pressure Gauge, P/N 5007100, to top test fitting
of fuel pump/vapor separator assembly.
Insert venting hose of gauge into a suitable con-
tainer.
Slowly open gauge’s venting valve.
Clean up any spilled fuel with shop towels.
A WARNING
Gasoline is extremely flammable and
highly explosive under certain conditions.
Use caution when working on any part of
the fuel system.
Protect against hazardous fuel spray.
Before starting any fuel system service,
carefully relieve fuel system pressure.
Refer to Relieving Fuel System Pressure.
Always disconnect the battery cables at
the battery before servicing the fuel sys-
tem unless instructed to do otherwise.
Always work in a well ventilated area and
wipe off any fuel spillage.
DO NOT smoke and make certain no open
flames or ignition sources exist.
After servicing the fuel system check for
leaks. Failure to check for fuel leakage
could allow a leak to go undetected,
resulting in fire or explosion.
1. Shop towel 005011
1. Test fitting
2. Venting valve
3. Venting hose
005012
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