Mercury 40/50 Series User Manual

MAINTENANCE
122
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.
CHANGING GEAR OIL
1. Place the outboard in a vertical operating position.
2. Place a drain pan below the outboard.
3. Remove the oil plugs (upper and lower) and drain the gear oil
completely.
40/50
a - Vent plug
b - Fill plug
W50
a - Vent plug
b - Fill plug
38391
a
b
39897
b
a

Mercury 40/50 Series Specifications

General

Brand	Mercury
Model	40/50 Series
Category	Outboard Motor
Language	English