Plenum - Mercury MerCruiser MCM 454 Mag MPI Service Manual

SERVICE MANUAL NUMBER 23
INSTALLATION
1. Place the throttle body gasket between the throttle body and the adapter.
2. Place the throttle body on the adapter. Install the screws and torque to 75 lb-in. (8.5 Nm).
3. Connect the harness connectors to the TP sensor and IAC valve.
4. Connect the throttle cable to the throttle lever.
5. Place the flame arrestor over the throttle body and tighten the clamp.

Plenum

REMOVAL
1. Remove the engine covers from plenum.
2. Disconnect the throttle cable from the throttle body.
3. Remove the throttle body and adapter from the plenum.
4. Remove the breather hose from the plenum.
Index
90-861326--1 MARCH 1999
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Refer to "Precautions" in this section, BEFORE proceeding.
a - Engine Covers
d
a - Plenum
b - Adapter Gasket
c - Throttle Body
d - Nut (3)
MULTI-PORT FUEL INJECTION DISASSEMBLY AND REASSEMBLY
NOTICE
b
c
a
75644
a
75727
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