Page 183 - REPOWER REFERENCE GUIDE (2020)

Manifolds and Elbows with Dry Joint
1. If exhaust elbow assembly is disassembled or risers are added, apply sealant to edge of all water ports (exhaust manifold,
both sides of the riser, and exhaust elbow).

a - Water ports
b - Exhaust manifold
c - Exhaust elbow
c

a

b

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c a - Exhaust manifold (cross
section)
b - Exhaust manifold water port
b c - Edge of water port (area to
a apply sealant)

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Tube Ref No. Description Where Used Part No.
Edge of water ports on the exhaust manifold and exhaust
19 Perfect Seal elbow 92-34227Q02

Gasket Application

Restrictor Gasket

Models Covered Description
Seawater cooled Restrictor gasket
IMPORTANT: On engines without risers, the restrictor gasket must be placed between the exhaust manifold and the exhaust
elbow.

90-8M0149179 eng NOVEMBER 2018 © 2019 Mercury Marine Page 7B-5