Filling - MerCruiser Axius 350 MAG User Manual

1. Check the gear lube level in the gear lube monitor. Keep the level within the
recommended operating range.
2. Inspect the lubricant condition. If any water is visible at the bottom of the gear lube
monitor, if water appears at the fill and drain plug hole, or if the gear lube appears
discolored, contact your authorized Mercury MerCruiser dealer immediately. These
conditions can indicate a water leak in the sterndrive.

Filling

IMPORTANT: If more than 59 mL (2 fl oz) of High Performance Gear Lubricant is required
to fill the monitor, a seal may be leaking. Damage to the sterndrive unit may occur due to
lack of lubrication. Contact your authorized Mercury MerCruiser dealer.
1. Remove the gear lube monitor cap.
2. Fill the monitor with the specified fluid so that the level is in the operating range. Do not
overfill.
Tube Ref No.
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.
90-899883234 JANUARY 2008
a
a - Gear lube monitor
b - Typical closed cooled model
c - Typical seawater cooled model
b
Shown removed for visual clarity
a - Gear lube monitor cap
b - Operating range (full) line
Description
High Performance Gear
87
Lubricant
a
c
b
a
7884
Where Used
Gear lube monitor
Section 5 - Maintenance
32539
Part No.
92-858064K01
Page 81