Yamaha F115A Owner's Manual page 22

Specifications and requirements
Engine oil quantity (without oil filter
replacement):
F115AET 3.5 L (3.70 US qt, 3.08 Imp.qt)
F115AET1 3.5 L (3.70 US qt,
3.08 Imp.qt)
F150AET 4.3 L (4.55 US qt, 3.78 Imp.qt)
F150AET2 4.3 L (4.55 US qt,
3.78 Imp.qt)
F150BET 4.3 L (4.55 US qt, 3.78 Imp.qt)
FL115AET 3.5 L (3.70 US qt,
3.08 Imp.qt)
FL115AET1 3.5 L (3.70 US qt,
3.08 Imp.qt)
FL150AET 4.3 L (4.55 US qt,
3.78 Imp.qt)
FL150AET2 4.3 L (4.55 US qt,
3.78 Imp.qt)
Engine oil quantity (with oil filter
replacement):
F115AET 3.7 L (3.91 US qt, 3.26 Imp.qt)
F115AET1 3.7 L (3.91 US qt,
3.26 Imp.qt)
F150AET 4.5 L (4.76 US qt, 3.96 Imp.qt)
F150AET2 4.5 L (4.76 US qt,
3.96 Imp.qt)
F150BET 4.5 L (4.76 US qt, 3.96 Imp.qt)
FL115AET 3.7 L (3.91 US qt,
3.26 Imp.qt)
FL115AET1 3.7 L (3.91 US qt,
3.26 Imp.qt)
FL150AET 4.5 L (4.76 US qt,
3.96 Imp.qt)
FL150AET2 4.5 L (4.76 US qt,
3.96 Imp.qt)
Lubrication system:
Wet sump
Recommended gear oil:
YAMALUBE outboard gear oil or Hypoid
gear oil
Recommended gear oil grade:
SAE 90 API GL-4
15
Gear oil quantity:
F115AET 0.760 L (0.803 US qt,
0.669 Imp.qt)
F115AET1 0.760 L (0.803 US qt,
0.669 Imp.qt)
F150AET 0.980 L (1.036 US qt,
0.862 Imp.qt)
F150AET2 0.980 L (1.036 US qt,
0.862 Imp.qt)
F150BET 0.980 L (1.036 US qt,
0.862 Imp.qt)
FL115AET 0.715 L (0.756 US qt,
0.629 Imp.qt)
FL115AET1 0.715 L (0.756 US qt,
0.629 Imp.qt)
FL150AET 0.980 L (1.036 US qt,
0.862 Imp.qt)
FL150AET2 0.980 L (1.036 US qt,
0.862 Imp.qt)
Tightening torque:
Spark plug:
25 Nm (2.55 kgf-m, 18.4 ft-lb)
Propeller nut:
54 Nm (5.51 kgf-m, 39.8 ft-lb)
Engine oil drain bolt:
27 Nm (2.75 kgf-m, 19.9 ft-lb)
Engine oil filter:
18 Nm (1.84 kgf-m, 13.3 ft-lb)
Noise and vibration level:
Operator sound pressure level:
F115AET 75.5 dB(A)
F115AET1 75.5 dB(A)
F150AET 79.6 dB(A)
F150AET2 79.6 dB(A)
FL115AET 75.5 dB(A)
FL115AET1 75.5 dB(A)
FL150AET 79.6 dB(A)
FL150AET2 79.6 dB(A)