Filling Gear Housing With Lubricant - Mercury/Mariner 25 MARATHON Service Manual

GEAR HOUSING

Filling Gear Housing with Lubricant

1. Place outboard in a vertical operating position.
2. Remove vent plug from vent hole.
3. Place lubricant tube into the fill hole and add lubricant until it appears at the vent hole.
a-Vent Hole
b-Lubricant Tube
4. 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-Vent Plug
b-Fill Plug
6. Apply a liberal coat of 2-4-C w/Teflon (92-825407A12) to propeller shaft splines.
7. Install thrust hub cap on thrust hub.
Page 6A-42
2-4-C w/Teflon (92-850736A1)
95
a
b
a
b
90-826883R2 JUNE 1998