Changing; November - Mercury MerCruiser Axius 350 MAG User Manual

Tube Ref No.
High Performance Gear
87
Lubricant
3. Ensure that the rubber gasket is inside the cap and install the cap. Do not overtighten.
NOTE: When filling the entire sterndrive unit refer to Changing.

Changing

1. Remove the gear lube monitor from the bracket.
a
2. Empty the contents into a suitable container.
3. Install the gear lube monitor in the bracket.
4. Place the sterndrive unit in full trim limit out position, remove the fill and drain screw and sealing washer and drain the gear
lube.
b
a
5. Remove the vent screw and sealing washer. Allow the gear lube to drain completely.
b
a
IMPORTANT: If any water drained from the gear lube fill and drain hole, or if the gear lube appears milky, the sterndrive unit
is leaking and should be checked immediately by your authorized Mercury MerCruiser dealer.
6. Lower the sterndrive unit so that the propeller shaft is level. Fill the sterndrive unit, through the fill and drain hole, with specified
gear lubricant until an air‑free stream of lubricant flows from the vent hole.

90-864197084 NOVEMBER 2008

Description
c
b
mc79507-1
mc77106-1
Where Used
Gear lube monitor
a
a - Fill and drain screw
b - Sealing washer
a - Vent screw
b - Sealing washer
Section 5 - Maintenance
Part No.
92-858064K01
a - Gear lube monitor
b - Typical closed cooled
model
c - Typical seawater cooled
model
32539
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