Mercury 25 EFI FourStroke User Manual page 111

FUEL FILTER (LOW PRESSURE)
Check the fuel filter for water accumulation or sediment. If water
is in the fuel, remove the sight bowl and drain the water. If the
filter appears to be contaminated, remove and replace.
REMOVAL
1. Read Fuel System servicing information and Warning,
preceding.
2. Pull out the filter assembly from mount. Hold on to the cover
to prevent it from turning and remove the sight bowl. Empty
contents into an approved container.
3. Pull out the filter element and replace it if necessary.
a
b
c
d
a - Cover
b - Filter element
c - O‑ring seal
d - Sight bowl
INSTALLATION
1. Push the filter element into the cover.
2. Place the O‑ring seal into its proper position on the sight
bowl and screw the sight bowl hand‑tight into the cover.
3. Push filter assembly back into mount.
IMPORTANT: Visually inspect for fuel leakage from the filter by
squeezing the primer bulb until firm, forcing fuel into the filter.
eng
MAINTENANCE
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