Mercury Sea Pro User Manual page 67

a - Vent plugs
GEARCASE LUBRICANT CAPACITY
83 mm (3-7/16 in.) diameter gearcase - approximately 340 ml (11.5 fl. oz.).
108 mm (4-1/4 in.) diameter gearcase - approximately 666 ml (22.5 fl. oz.).
GEARCASE LUBRICANT RECOMMENDATION
Mercury or Quicksilver Premium or High Performance Gear Lubricant.
CHECKING LUBRICANT LEVEL AND FILLING GEARCASE
1. Place outboard in a vertical operating position.
2. Remove the front vent plug and rear vent plug.
3. Remove fill/drain plug. Place lubricant tube into the fill/drain plug hole and add lubricant until it appears at
the front vent hole. At this time install the front vent plug and sealing washer.
a - Front vent plug
b - Front vent hole
c - Rear vent hole
4. Continue adding lubricant until it appears at the rear vent hole.
5. Stop adding lubricant. Install the rear vent plug and sealing washer before removing lubricant tube.
6. Remove lubricant tube and reinstall cleaned fill/drain plug and sealing washer.
MAINTENANCE
b -
c
b
a
d -
e -
62
a
b
ob00441
Fill/drain plug
Rear vent plug
Fill/drain plug
d
e
ob00442