Page 261 - REPOWER REFERENCE GUIDE (2020)

8.1L/496/8.2L Triple Catalyst
2. Insert the exhaust gasket dowels into the dowel holes on the exhaust collector mating surface.

a - Dowels
b - Water port gaskets
a
b
b
a

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3. With the dowels fully seated in the dowel holes, the water ports on the exhaust collector align with the water port gaskets. If
misaligned, rotate the gasket 180°.

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Water ports
4. Align the riser with the screw holes and install the six screws.
IMPORTANT: Always use the correct screws to achieve the required clamp load.

a - Exhaust collector
a b - Exhaust gasket
b c - Exhaust riser
c d - Screw

d

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90-8M0149179 eng NOVEMBER 2018 © 2019 Mercury Marine Page 7G-13