Mercury 2.5 Operation And Installation Manual

3. Remove vent plug and fill/drain plug and drain lubricant.
a - Vent plug
b - Fill/drain plug
GEARCASE LUBRICANT CAPACITY
Gearcase lubricant capacity is approximately 135 ml (4.5 fl. oz.).
CHECKING LUBRICANT LEVEL AND REFILLING GEARCASE
1. Place outboard in a vertical operating position.
2. Remove vent plug.
3. Remove fill/drain plug. Place lubricant tube into the fill hole and add
lubricant until it appears at the vent hole.
a - Vent plug
b - Vent hole
c - Fill/drain plug
IMPORTANT: Replace sealing washers if damaged.
4. Stop adding lubricant. Install the vent plug and sealing washer before
removing the lubricant tube.
5. Remove lubricant tube and reinstall cleaned fill/drain plug and sealing
washer.
a
b
28719
a
b
c
28720
MAINTENANCE
50 eng

Mercury 2.5 Specifications

General

Fuel Induction System	Carburetor
Ignition	CDI
Starting	Manual
Steering	Tiller
Cylinders	1
Recommended Fuel	87 Octane
Shaft Length	15 in (381 mm)
Horsepower	2.5 HP
Gear Shift	Forward, Neutral