Mercury 350 MAG Manual page 99

d. Drain the fluid into a suitable container.
a
b
5. All Other Models:
a. Place the sterndrive unit in full trim out position.
b. Remove the oil fill and drain screw and sealing washer.
c. Drain the fluid into a suitable container.
b
a
6. Remove the oil vent screw and sealing washer. Allow the oil to drain completely.
b
a
IMPORTANT: If any water drains from the unit, or if the fluid appears milky, the sterndrive unit is leaking. See your authorized
Mercury MerCruiser dealer.
7. Lower the sterndrive unit so the propeller shaft is level.
IMPORTANT: Use only Mercury/Quicksilver High Performance Gear Lubricant in sterndrive unit.
8. Fill the sterndrive unit through the oil fill and drain hole with specified gear lubricant until an air‑free stream of lubricant flows
from oil vent hole.
Tube Ref No.
High Performance Gear
87
Lubricant
9. Install the oil vent screw and sealing washer.
90-8M0050539 MAY 2011
eng
a -
b -
mc79506-1
mc79507-1
mc77106-1
Description
Oil fill and drain screw
Sealing washer
a - Oil fill and drain screw
b - Sealing washer
a - Oil vent screw
b - Sealing washer
Where Used
Sterndrive unit
Section 5 - Maintenance
Part No.
92-858064K01
Page 91