Yamaha F40G Owner's Manual page 18

Specifications and requirements
F70AET K
FT50GET K
FT60DET K
Fuel and oil:
Recommended fuel:
Regular unleaded gasoline
Min. research octane:
90
Fuel tank capacity:
25 L (6.60 US gal, 5.50 Imp.gal)
Recommended engine oil:
4-stroke outboard motor oil
Recommended engine oil grade 1:
SAE 10W-30/10W-40/5W-30
API SE/SF/SG/SH/SJ/SL
Total engine oil quantity (oil pan capacity):
2.5 L (2.64 US qt, 2.20 Imp.qt)
Lubrication:
Wet sump
Recommended gear oil:
Hypoid gear oil SAE#90
Gear oil quantity:
F40DET 0.430 L
(0.455 US qt, 0.378 Imp.qt)
F40GET 0.670 L
(0.708 US qt, 0.590 Imp.qt)
F50FED 0.430 L
(0.455 US qt, 0.378 Imp.qt)
F50FET 0.430 L
(0.455 US qt, 0.378 Imp.qt)
F60CET 0.430 L
(0.455 US qt, 0.378 Imp.qt)
F70AET 0.670 L
(0.708 US qt, 0.590 Imp.qt)
FT50GET 0.670 L
(0.708 US qt, 0.590 Imp.qt)
FT60DET 0.670 L
(0.708 US qt, 0.590 Imp.qt)
Tightening torque for engine:
Spark plug:
F40DET 18.0 Nm
12
(1.84 kgf-m, 13.3 ft-lb)
F40GET 17.0 Nm
(1.73 kgf-m, 12.5 ft-lb)
F50FED 18.0 Nm
(1.84 kgf-m, 13.3 ft-lb)
F50FET 18.0 Nm
(1.84 kgf-m, 13.3 ft-lb)
F60CET 18.0 Nm
(1.84 kgf-m, 13.3 ft-lb)
F70AET 17.0 Nm
(1.73 kgf-m, 12.5 ft-lb)
FT50GET 18.0 Nm
(1.84 kgf-m, 13.3 ft-lb)
FT60DET 18.0 Nm
(1.84 kgf-m, 13.3 ft-lb)
Propeller nut:
F40DET 35.0 Nm
(3.57 kgf-m, 25.8 ft-lb)
F40GET 34.0 Nm
(3.47 kgf-m, 25.1 ft-lb)
F50FED 35.0 Nm
(3.57 kgf-m, 25.8 ft-lb)
F50FET 35.0 Nm
(3.57 kgf-m, 25.8 ft-lb)
F60CET 35.0 Nm
(3.57 kgf-m, 25.8 ft-lb)
F70AET 34.0 Nm
(3.47 kgf-m, 25.1 ft-lb)
FT50GET 35.0 Nm
(3.57 kgf-m, 25.8 ft-lb)
FT60DET 35.0 Nm
(3.57 kgf-m, 25.8 ft-lb)
Engine oil drain bolt:
F40DET 28.0 Nm
(2.86 kgf-m, 20.7 ft-lb)
F40GET 27.0 Nm
(2.75 kgf-m, 19.9 ft-lb)
F50FED 28.0 Nm
(2.86 kgf-m, 20.7 ft-lb)
F50FET 28.0 Nm
(2.86 kgf-m, 20.7 ft-lb)