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Mercury 540 Bravo - Maintenance: Crankcase Oil and Filter (Boat Out of Water); Crankcase Oil and Filter Change (Boat Out of Water)

Mercury 540 Bravo
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4. Remove the crankcase oil pump.
5. Place a container beneath the oil filter.
NOTE: To allow the oil to drain from the filter, loosen the filter just enough to
break the internal vacuum. Let the oil drain back into the system for 15
minutes prior to complete removal of the filter.
a - Crankcase oil filter
6. Remove the oil filter from the adapter, and discard the old oil filter and old
sealing ring.
7. Coat the sealing ring on the new filter with motor oil, and install a new
sealing ring and filter.
8. Tighten the filter securely. Do not overtighten.
9. Remove the oil filler cap. Add oil to bring the level up to, but not over, the
"FULL" mark on the dipstick.
IMPORTANT: Always use the dipstick to determine exactly how much oil is
required.
a - Crankcase oil filler cap
Tube Ref
No.
Description Where Used Part No.
25W50 Synthetic
Blend 4-Stroke
Racing Engine Oil
Crankcase 8M0078013
152
25W-50 Verado
FourStroke
Outboard Oil
Crankcase 92-858084K01
79
MerCruiser 4-Cycle
25W-40 Engine Oil
Crankcase 92-858048K01
a
7984
a
7899
79
MAINTENANCE
58 eng

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