191
FUEL SYSTEM
FUEL COMPONENT SERVICING
7
Fuel Lift Pump
The fuel lift pump is serviceable as a complete
assembly. Refer to parts catalog for service parts.
Removal
Disconnect the battery cables at the battery.
Remove air silencer.
Disconnect the fuel supply hose from the in-line
fitting.
Disconnect the fuel outlet hose from the fuel filter
housing.
Disconnect the fuel lift pump pulse hoses at the
crankcase fittings.
Remove the fuel lift pump and hoses as an
assembly.
Installation
Connect the fuel lift pump pulse hoses to the
crankcase. Secure with tie straps.
Connect the fuel outlet hose to the fuel filter.
Secure with 18.5 mm Oetiker clamp.
Connect the fuel supply hose to the in-line fitting.
Secure with 18.5 mm Oetiker clamp.
Squeeze primer bulb to prime fuel system. Hold
pressure on bulb and check for fuel leaks.
Install air silencer and connect battery cables.
Run outboard and check for fuel leaks.
Vapor Separator
Removal
Disconnect the battery cables at the battery.
Relieve fuel system pressure. Refer to Relieving
Fuel System Pressure on p. 189.
Disconnect circulation pump electrical connector.
Remove clamp and fuel supply manifold from top
of circulation pump. Remove clamp and vapor
vent hose from separator cover.
Remove clamps and vapor separator cooling
water hoses.
Remove clamps and fuel return manifold and fuel
supply manifold from bottom of vapor separator.
Remove the vapor separator housing retainer clip.
Remove vapor separator/fuel pump from the
mounting stud and slide vapor separator housing
from the grooves of the isolator mounts.
Installation
Installation is essentially the reverse of removal.
Pay close attention when performing the following
additional tasks.
Reinstall all hoses and manifolds to original loca-
tions and secure in place with appropriate clamps.
Squeeze primer bulb to prime fuel system. Hold
pressure on bulb and observe for fuel leaks.
Install air silencer and connect battery cables.
Run outboard and check for fuel leaks.
1. Pulse hose crankcase fitting
2. Fuel supply fitting
005336
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2
1. Retainer clip 004189
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