1. Remove the propeller, place the drive unit in full down position, remove
the oil fill/drain screw and sealing washer, and drain the oil.
a - Oil fill/drain screw
2. Remove the oil vent screw and sealing washer. Allow the oil to drain
completely.
IMPORTANT: If any water drained from the oil fill/drain hole, or if the oil
appears milky, the drive unit is leaking and should be checked immediately by
your authorized Mercury MerCruiser dealer.
a - Sealing washer
b - Oil vent screw
3. Adjust the drive unit so the propeller shaft is level.
MAINTENANCE
eng 61
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