Filling; Changing Oil And Filter; Engine Oil Drain Pump - Mercury 4.3 MPI SeaCore Operation & Maintenance Manual

Section 4 - Maintenance

Filling

IMPORTANT: Do not overfill the engine with oil.
IMPORTANT: Always use the dipstick to determine the exact quantity of oil or fluid required.
1. Remove the oil fill cap.
2. Add the specified engine oil to bring the level up to, but not over, the full or OK range mark on the dipstick. Check the oil
level.
Engine Model
4.3 MPI ECT and SeaCore 4.3 ECT
5.0 MPI ECT and SeaCore 5.0 ECT
3. Replace the fill cap.

Changing Oil and Filter

Refer to the Maintenance Schedule for the change interval. Engine oil should be changed before placing the boat in storage.
IMPORTANT: Change engine oil when the engine is warm from operation. Warm oil flows more freely, carrying away more
impurities. Use only recommended engine oil (refer to Specifications).

Engine Oil Drain Pump

1. Loosen the oil filter to vent the system.
2. Remove the dipstick.
Page 48
4.3 ECT oil fill cap
5.0 ECT oil fill cap
Volume from minimum to maximum fill line
45310
33210
0.6 Liter (0.63 U.S. qt)
0.95 Liter (1 U.S. qt)
90-8M0113859 DECEMBER 2015
eng