COLLECTORS - 7D-790-823225--1 1096
2. Lubricate air cylinder-to-silencer pipe flapper at
clevis and pin, as needed, with Quicksilver 2-4-C
Marine Lubricant.
72778
a - Lubricate Clevis and Pin with Quicksilver 2-4-C Marine
Lubricant
Exhaust Muffler Kit
This muffler, designed for use on all V-8 engines with
Plus Power exhaust systems (4 in., 7 degrees
downward outlets), requires the installation of 1-1/4
in. (32 mm) exhaust elbow risers, which are included
in the kit.
IMPORTANT: If a thru-transom exhaust kit other
than the one from Mercury Marine is used, the ex-
haust kit must be equipped with internal shutters
and external flappers.
!
CAUTION
It is the responsibility of the boat manufacturer or
installing dealer to properly locate the engine
and install exhaust system. Improper installation
may allow water to enter the exhaust manifolds
and combustion chambers, and severely dam-
age the engine. Damage caused by water in the
engine will not be covered by MerCruiser Warran-
ty, unless this damage is the result of defective
part(s).
1-1/4 INCH MUFFLER RISER
INSTALLATION, ONLY
IMPORTANT: Restrictor gaskets or separator
gaskets must be installed in order shown.
72780
A
B
b
c
d
e
f
g
h
a
e
A - Without Separator Gasket
B - With Separator Gasket
a - Exhaust Manifold
b - Exhaust Elbow
c - Bolt (4 Each Manifold)
d - Bolt, Remote OIl Filter Bracket (2)
e - Gasket - Lightly Coat Both Sides With Quicksilver Perfect
Seal
f - Riser 1-1/4 Inch (32 mm) Height
g - Restrictor Gasket
h - Manifold Separator Gasket
NOTE: Drain plugs in risers face toward stern.
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