MAINTENANCE
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Gearcase Lubrication
When adding or changing gearcase lubricant, visually check for the presence of water in the lubricant. If water
is present, it may have settled to the bottom and will drain out prior to the lubricant, or it may be mixed with the
lubricant, giving it a milky colored appearance. If water is noticed, have the gearcase checked by your dealer.
Water in the lubricant may result in premature bearing failure or, in freezing temperatures, will turn to ice and
damage the gearcase.
Remove the fill/drain plug and examine the magnetic end for metal particles. A small amount of metal filings or
fine metal particles indicates normal gear wear. An excessive amount of metal filings or larger particles (chips)
may indicate abnormal gear wear and should be checked by an authorized dealer.
DRAINING GEARCASE
1. Place outboard in a vertical operating position.
2. Place drain pan below outboard.
3. Remove fill/drain plug and vent plug and drain lubricant.
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a
b
a - Fill/drain plug b - Vent plug
GEARCASE LUBRICANT CAPACITY
Gearcase lubricant capacity is approximately 260 ml (8.8 fl. oz.).
GEARCASE LUBRICANT RECOMMENDATION
Mercury or Quicksilver Premium or High Performance Gear Lubricant.
CHECKING LUBRICANT LEVEL AND REFILLING GEARCASE
1. Place outboard in a vertical operating position.
2. Remove vent plug and fill/drain plug.
3. Remove fill screw and place lubricant tube into the fill hole.
4. Add lubricant until it appears at the vent hole.
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