Changing The Gear Oil - Yamaha F2.5A Service Manual

Changing the gear oil

1. Fully tilt the outboard up, and then sup-
port it with the tilt stop lever 1.
2. Slide the trim rod 2 and position it to the
upper trim rod position a.
3. Release the tilt stop lever and tilt the out-
board down until it contacts the mount
housing.
4. Place a drain pan under the drain screw
3, remove the drain screw, then the
check screw 4 to drain the oil.
69M3E11
Control system / Lower unit
5. Check the oil for metal, discoloration, and
viscosity. Check the internal parts of the
lower case if necessary.
6. Insert the gear oil tube or gear oil pump
into the drain hole and slowly fill the gear
oil until oil flows out of the check hole and
no air bubbles are visible.
Recommended gear oil:
Hypoid gear oil
SAE: 90
Oil quantity:
3
75 cm (2.5 US oz, 2.6 Imp oz)
7. Install the check screw, quickly install the
drain screw, and then tighten them.
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S69M3260
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