Yamaha E115A Service Manual page 158

LOWR
9. Insert a 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
API: GL-4
SAE: 90
Gear oil quantity:
760 cm 3
(25.70 US oz, 26.81 Imp oz)
10. Install the new gasket, check screw 9
and quickly install the drain screw, then
tighten to specified torque.
Check screw 9 and drain screw:
9 N·m (0.9 kgf·m, 6.6 ft·lb)
6-21
Lower unit
9
69D10050
61U5H11