Through-Transom Exhaust; Shutter Replacement - Mercury MerCruiser MCM 454 Mag MPI Service Manual

SERVICE MANUAL NUMBER 23
Thru-Transom Exhaust

Shutter Replacement

IMPORTANT: A block off plate must be installed when using thru-transom exhaust
or below swim platform kits.
1. Remove exhaust hose clamps, then hose.
2. Chisel rivets away from both support members.
3. Install new shutter as shown in "Component Replacement" following. Tighten screws
4. Reinstall exhaust hose. Tighten clamps securely.
Index
90-861326--1 MARCH 1999
Downloaded from https://needmanual.com/
a - Block Off Plate
b - Bolts (4)
b
a - Shutter Hinge
b - Water Shutter - Opens Toward Outside Of Boat
c - Support Member
d - Rivets (4)
and nut securely.
b
a
c
c
COLLECTORS
d
a
d
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