Mercury 10 EFI FourStroke Installation, Operation & Maintenance Manual page 89

IMPORTANT: The filter is secured and sealed to the filter housing with an
O‑ring. The O‑ring may remain on the filter housing. The O‑ring should be
removed before installing the fuel filter.
Filter Installation
b
a
a - Fuel filter O‑ring seal
b - Fuel filter
c - Red ring
d - Sight bowl O‑ring seal
e - Sight bowl
eng
MAINTENANCE
Fuel filter
d
c
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e
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