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Mercury 40 FourStroke - Changing Oil Filter; Checking and Adding Engine Oil

Mercury 40 FourStroke
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MAINTENANCE
90-857046R1 NOVEMBER 2001 Page 1B-13
Changing Oil Filter
1. Place a rag or towel below the oil filter to absorb any spilled oil.
2. Unscrew old filter by turning the filter counterclockwise.
3. Clean the mounting base. Apply film of clean oil to filter gasket. Do not use grease.
Screw new filter on until gasket contacts base, then tighten 3/4 to 1 turn.
91-802653Q1
a
a-Oil Filter
Checking and Adding Engine Oil
IMPORTANT: Do not overfill. Be sure that the outboard is upright (not tilted) when
checking oil.
1. Remove the oil fill cap and add oil to to proper operating level.
2. Idle engine for five minutes and check for leaks. Stop engine and check oil level on dip-
stick. Oil must be between full mark and add mark. Add oil if necessary.
a
c
d
b
a-Dipstick
b-Oil Fill Cap
c-Full Mark
d-Add Mark
Engine Oil Capacity
3 U.S. Quarts or (3.0 Liters)

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