Yamaha F25D - Installation and Mounting Requirements

Specifications and requirements
11
F25DEHT 347.0 A
F25DET 347.0 A
FT25FET 347.0 A
Min. rated capacity (20HR/IEC):
F25DEHT 40.0 Ah
F25DET 40.0 Ah
FT25FET 40.0 Ah
Maximum generator output:
14 A
Drive unit:
Gear positions:
Forward-neutral-reverse
Gear ratio:
F25DEHT 2.08(27/13)
F25DET 2.08(27/13)
F25DMH 2.08(27/13)
FT25FET 2.42(29/12)
Trim and tilt system:
F25DEHT Power trim and tilt
F25DET Power trim and tilt
F25DMH Manual tilt
FT25FET Power trim and tilt
Fuel and oil:
Recommended fuel:
Regular unleaded gasoline
Fuel tank capacity:
24 L (6.34 US gal, 5.28 Imp.gal)
Recommended engine oil:
4-stroke outboard motor oil
Recommended engine oil group 1*:
SAE 10W-30/10W-40/5W-30
API SE/SF/SG/SH/SJ/SL
Recommended engine oil group 2*:
SAE 15W-40/20W-40/20W-50
API SH/SJ/SL
Total engine oil quantity (oil pan capacity):
Without oil filter replacement:
1.4 L (1.48 US qt, 1.23 Imp.qt)
With oil filter replacement:
1.6 L (1.69 US qt, 1.41 Imp.qt)
Lubrication:
Wet sump
Recommended gear oil:
Hypoid gear oil SAE#90
Gear oil quantity:
F25DEHT 0.320 L (0.338 US qt,
0.282 Imp.qt)
F25DET 0.320 L (0.338 US qt,
0.282 Imp.qt)
F25DMH 0.320 L (0.338 US qt,
0.282 Imp.qt)
FT25FET 0.430 L (0.455 US qt,
0.378 Imp.qt)
Tightening torque for engine:
Spark plug:
17.0 Nm (1.73 kgf-m, 12.5 ft-lb)
Propeller nut:
35.0 Nm (3.57 kgf-m, 25.8 ft-lb)
Engine oil drain bolt:
27.0 Nm (2.75 kgf-m, 19.9 ft-lb)
Engine oil filter:
18.0 Nm (1.84 kgf-m, 13.3 ft-lb)
EMU33554
Installation requirements
EMU33564
Boat horsepower rating
WARNING
EWM01560
Overpowering a boat can cause severe
instability.
Before installing the outboard motor(s), con-
firm that the total horsepower of your out-
board motor(s) does not exceed the boats
maximum horsepower rating. See the boat’s
capacity plate or contact the manufacturer.
EMU33571
Mounting motor
WARNING
EWM01570
● Improper mounting of the outboard mo-
tor could result in hazardous condi-
tions such as poor handling, loss of
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