Engine Preparation and
Component Removal
6. Assemble harness bracket and plastic backup
plate, if so equipped, using four small screws.
1.
Assemble studs to exhaust manifold and position
all gaskets as shown between risers. Refer to “In-
stallation Diagrams” at the end of this section.
a
IMPORTANT: Restrictor gaskets or manifold sep-
arator gaskets must be installed in order shown.
c
!
CAUTION
If engine is equipped with closed cooling, MAN-
IFOLD SEPARATOR GASKET MUST BE IN-
STALLED ONLY ON EXHAUST MANIFOLD. Fail-
ure to install separator gaskets on exhaust
manifolds, or to install in a location other than
shown, will result in severe engine damage.
c
d
e
70244
2.
Install elbow on riser(s) and studs. Attach using
nuts and washers.
Bracket For 6 Inch (152 mm) Riser
a - Riser Bracket
b - Harness Plate
c - Back-Up Plate (1) - Screws (4) 7/8 In. (22 mm)
d - Screws (6) 3/4 In. (19 mm)
e - Nuts (6)
NOTE: Drain plugs in risers must be positioned fac-
ing flywheel end of engine, unless otherwise noted.
3.
4.
Torque all fasteners, in a diagonal pattern, to 27
lb.ft. (37 N·m).
Place spacers between riser plate, if so
equipped, and fasten with existing nuts. Tighten
securely.
7.
8.
Refill closed cooling system, if so equipped. (Re-
fer to SECTION 6B - “Closed Cooled Models.”)
Upon first start-up of engine check for leaks.
5.
Reattachandtightensecurelyallpartspreviously
removed from elbow to appropriate position on
riser bracket, if so equipped.
IMPORTANT: On elbows with ignition amplifier,
be sure to reconnect amplifier and wiring har-
ness ground wires to one of the attaching screws
and that amplifier spacers are installed between
amplifier and exhaust elbow. Tighten screws se-
curely.
IMPORTANT: On elbows with shift plate (MCM
only) reinstall shift plate and tighten fasteners
securely, then readjust shift cables as outlined in
appropriate Stern Drive Service Manual.
Index
7C-2 - RISERS
90-823224-2 796
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1993, 1994, 1995, 1996, 1997 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
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Excellent print.
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