Mercury 250 XS OptiMax Operation, Maintenance & Installation Manual page 128

4. Install the gasket and cover using four 10‑32 screws, lockwashers, and
hex nuts. Cut off excess screw lengths.
c
b
a
a - Screw (4)
b - Nut (4)
c - Lockwasher (4)
d - Cover
e - Gasket
5. Route the trim pump harness end through the cover and cowl and attach
the harness to the pump and the main engine harness.
6. Install the grommet to protect the harness.
7. Route the trim hoses through the two holes provided in the cover and
install the two grommets.
a
b
OUTBOARD INSTALLATION
d
e
a - Grommet (2)
b - Cover
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