Section 5 - Maintenance
90-8M0074352
eng
OCTOBER 2012
Page 69
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.
a -
Gear lube monitor
b -
Recommended gear lube level
Filling
New installations may require as much as 470 mL (16 fl oz) of gear lube added to the monitor bottle during the break‑in period
(20 hours of running time). It is important to monitor and maintain the gear lube level during the break‑in period.
IMPORTANT: The gear lube monitor must be checked and filled if necessary at the beginning of each day when the engine is
cold. If the gear lube alarm sounds during the day's activity, add the appropriate amount of gear lube to the monitor bottle.
NOTE: If filling the entire sterndrive, see
Changing
.
1. Remove the gear lube monitor cap.
2. Fill the monitor with the specified fluid until the gear lube is at the recommended level. Do not overfill.
Tube Ref No.
Description
Where Used
Part No.
87
High Performance Gear
Lubricant
Gear lube monitor
92-858064K01
3. Replace the cap.
Changing
1. Remove the gear lube monitor from the bracket.
2. Empty the contents into a suitable container.
3. Install the gear lube monitor in the bracket.
4. Bravo One models:
a. Remove the propeller.
b. Position the sterndrive unit to the full down position.
c. Remove the oil fill and drain screw and sealing washer.
COLD FILL
50333
a
b
