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Mercury 40 Service Manual

Mercury 40
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MAINTENANCE
90-828631R3 MARCH 1999 Page 1B-15
DRAINING GEAR CASE
1. Place outboard in a vertical operating position.
2. Place a drain pan below outboard.
3. Remove vent plugs and fill/drain plug and drain lubricant.
a
a-Vent Plugs and Fill/Drain Plug
GEAR CASE LUBRICANT CAPACITY
Gear case lubricant capacity is approximately 22.5 fl oz (655 ml).
CHECKING LUBRICANT LEVEL AND FILLING GEAR CASE
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.
6. Remove lubricant tube and reinstall cleaned fill/drain plug and sealing washer.
a
c
d
e
b
a-Front Vent Plug
b-Rear Vent Plug
c-Front Vent Hole
d-Rear Vent Hole
e-Fill/Drain Plug and Sealing Washer

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Mercury 40 Specifications

General IconGeneral
Horsepower40 hp
Starting SystemElectric
SteeringRemote
Fuel Induction SystemEFI (Electronic Fuel Injection)
Shaft Length20"
Full Throttle RPM Range6000

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