Mercury 40 FourStroke Maintenance And Installation Manual page 78

2. Turn the outboard so the drain hole is facing downward. Remove the
drain plug and drain the engine oil into an appropriate container. Lubricate
the seal on the drain plug with oil and reinstall.
a - Drain plug
b - Drain hole
CHANGING OIL FILTER
1. Place a rag or towel below the oil filter to absorb any spilled oil.
2. Unscrew the old filter by turning the filter to the left.
3. Clean the mounting base. Apply a film of clean oil to the filter gasket. Do
not use grease. Screw the new filter on until the gasket contacts the base,
then tighten 3/4 to 1 turn.
OIL FILLING
1. Remove the oil fill cap and add oil to the proper operating level.
MAINTENANCE
a
68
b
28531
28417
eng