Yamaha F100A, Service Manual

Page: 90 / 463

3-14
INSP
ADJ
E
POWER TRIM AND TILT (PTT) SYSTEM/
LOWER UNIT
3. Install:
●
Reservoir plug
T
R
.
.
Reservoir plug:
7 Nm (0.7 m • kg, 5.1 ft • lb)
LOWER UNIT
Gear oil
1. Check:
●
Gear oil
Milky oil
→
Replace the oil seal.
Refer to “Lower unit leakage check”.
Slag oil
→
Check the gear, bearing,
and dog.
2. Check:
●
Gear oil level
Low
→
Add oil to the proper level.
3. Replace:
●
Gear oil
Replacement steps:
●
Tilt up the outboard slightly.
●
Place a container under the drain
plug
1 .
●
Remove the drain plug, the oil level
plug
2 and then drain the gear oil.
●
Place the outboard in an upright posi-
tion.
●
Add gear oil through the drain hole
until it overflows at the oil level hole.
Recommended gear oil:
GEAR CASE LUBE (USA) or
Hypoid gear oil, SAE 90/
API GL-4
Total amount:
670 cm
3
(22.6 US oz, 23.6 Imp oz)
●
Install the oil level plug and then the
drain plug.
T
R
.
.
Oil level plug and drain plug:
7 Nm (0.7 m • kg, 5.1 ft • lb)