Installation Requirements; Boat Horsepower Rating - Yamaha F25 Owner's Manual

Battery rating (CCA/SAE):
245–433 A (F25A, F25EA, F25EHA,
F25EHB, T25A)
Battery rating (MCA/ABYC):
323–520 A (F25A, F25EA, F25EHA,
F25EHB, T25A)
Battery rating (RC/SAE):
52 minutes (F25A, F25EA, F25EHA,
F25EHB, T25A)
Maximum generator output:
14 A
Lower unit:
Gear shift positions:
Forward-neutral-reverse
Gear ratio:
2.08 (27/13) (F25A, F25EA, F25EHA,
F25EHB, F25MHA, F25MHB)
2.42 (29/12) (T25A)
Trim and tilt system:
Hydro tilt (F25EHB, F25MHB)
Manual tilt (F25EA, F25EHA,
F25MHA)
Power trim and tilt (F25A, T25A)
Propeller mark:
F (F25A, F25EA, F25EHA, F25EHB,
F25MHA, F25MHB)
G (T25A)
Fuel and oil:
Recommended fuel:
Regular unleaded gasoline
Min. pump octane number (PON):
86
Fuel tank capacity:
25 L (6.60 US gal, 5.50 Imp.gal)
Recommended engine oil:
YAMALUBE 4M FC-W or 4-stroke
outboard motor oil
Recommended engine oil grade 1:
SAE 10W-30/10W-40/5W-30
API SE/SF/SG/SH/SJ/SL
Specifications and requirements
Tightening torque:
EMU33556
EMU33565

Boat horsepower rating

EWM01561
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.
Engine oil quantity (without oil filter re-
placement):
1.4 L (1.48 US qt, 1.23 Imp.qt)
Engine oil quantity (with oil filter replace-
ment):
1.6 L (1.69 US qt, 1.41 Imp.qt)
Lubrication system:
Wet sump
Recommended gear oil:
Yamalube Marine Gearcase Lube or
Hypoid gear oil
Recommended gear oil grade:
SAE 90 API GL-4
Gear oil quantity:
0.320 L (0.338 US qt, 0.282 Imp.qt)
(F25A, F25EA, F25EHA, F25EHB,
F25MHA, F25MHB)
0.430 L (0.455 US qt, 0.378 Imp.qt)
(T25A)
Spark plug:
17 Nm (1.73 kgf-m, 12.5 ft-lb)
Propeller nut:
34 Nm (3.47 kgf-m, 25.1 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)

Installation requirements

WARNING
17