Mercury 25 Series User Manual

MAINTENANCE
91
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.
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4. Place the lubricant tube into the fill/drain hole and add the
lubricant until it appears at the upper oil plug hole.
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a
a - Upper oil plug hole
5. Install the upper oil plug before removing the lubricant tube.

Mercury 25 Series Specifications

General

Gear Ratio	2.08:1
Horsepower	25 HP
Steering	Tiller
Shaft Length	15 in, 20 in
Starting	Manual
Full Throttle RPM Range	5000- RPM
Fuel Type	Gasoline