90-823225--1 10965E-144 - ELECTRONIC FUEL INJECTION (MULTI-PORT AND THROTTLE BODY)
2. Label and then disconnect all fuel lines from
cover of vapor separator tank.
3. Remove electrical line from retaining clip (some
models).
4. Remove cover screws and remove cover and
electrical line retainer clip.
5. Remove float arm pin retaining fastener and re-
move float and needle assembly.
6. Disassemble float and needle assembly; i.e.,
float valve, float valve pin, clip and float.
CLEANING AND INSPECTION
1. Clean components with carburetor cleaner.
IMPORTANT: Do not soak float or float valve in
carburetor cleaner.
2. Inspect float valve seat for wear. Replace if nec-
essary.
3. Inspect float and needle assembly; i.e., float
valve, float valve pin, clip and float. Replace parts
as necessary.
INSTALLATION
1. Assemble float and needle assembly; i.e., float
valve, float valve pin, clip and float.
NOTE: Float is not adjustable.
2. Install float and needle assembly and secure float
arm pin using fastener.
3. Apply Loctite 8831 to threads of cover screws.
Install cover and electrical line retainer clip and
tighten cover screws securely.
4. Secure electrical line in retainer clip.
5. Connect all fuel lines to cover of vapor separator
tank. Torque fuel line fittings to 23 lb. ft. (31 N·m).
6. Connect fuel pump electrical connector.
7. With engine OFF, cycle ignition switch to ON wait-
ing for 2 seconds, and then OFF, waiting 10 se-
conds after each key off four times to prime the
fuel system and check for leaks.
NOTE: IF VST is dry. remove vent screw and fill with
fuel.
Diaphragm Assembly
REMOVAL
1. Disconnect fuel pump electrical connector. (Elec-
tric fuel pump removed for visual clarity.)
72803
1
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5
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7
8
9
10
11
12
a
a
a - A VST equipped with elbow fitting on top of VST
will have this configuration diaphragm and
spring.
1 - Electrical Connector
2 - Cover
3 - Lockwashers (6)
4 - Screws (6)
5 - Clip
6 - Spring
7 - Diaphragm
8 - O-Ring
9 - Diaphragm Cover
10- O-Ring
11- Screw
12- Lockwasher
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