1. Check the gear lube level in the monitor bottle. Keep the gear lube level within the recommended operating range.
a - Gear lube monitor cap
b - Maximum range
c - Minimum range
2. Inspect the gear lube condition. If any water is visible in the bottom of the gear lube monitor, if water appears at the fill and
drain plug hole, or if the gear lube appears discolored, there may be a water leak in the sterndrive.
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 level is in the operating range. 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 cap.
2. 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.
d. Drain the fluid into a suitable container.
a - Oil fill and drain screw
b - Sealing washer
3. All other models:
a. Place the sterndrive unit in full trim out position.
b. Remove the oil fill and drain screw and sealing washer.
Section 4 - Maintenance
90-8M0128973 eng MAY 2017 Page 53
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