Mercury 50 4-Stroke - Page 98

MAINTENANCE
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3. Remove vent plugs and fill/drain plug and drain lubricant.
b
a
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a - Vent plugs b - Fill/drain plug
GEARCASE LUBRICANT CAPACITY
Gearcase lubricant capacity is approximately 710 ml (24 fl. oz.).
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. Place lubricant tube into the fill hole and add lubricant until it
appears at the front vent hole. At this time install the front vent
plug and sealing washer.
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.