Installation Requirements; Boat Horsepower Rating - Yamaha F15 Owner's Manual

F20EA, F20EHA, F20PA, F20PHA)
Manual starter (F15MHA, F20MHA)
Starting carburetion system:
Prime start
Valve clearance IN (cold engine):
0.15–0.25 mm (0.0059–0.0098 in)
Valve clearance EX (cold engine):
0.25–0.35 mm (0.0098–0.0138 in)
Battery rating (CCA/SAE):
245–433 A (F15EHA, F15PHA,
F20EA, F20EHA, F20PA, F20PHA)
Battery rating (MCA/ABYC):
323–520 A (F15EHA, F15PHA,
F20EA, F20EHA, F20PA, F20PHA)
Battery rating (RC/SAE):
52 minutes (F15EHA, F15PHA,
F20EA, F20EHA, F20PA, F20PHA)
Maximum generator output:
10 A (F15EHA, F15PHA, F20EA,
F20EHA, F20PA, F20PHA)
Lower unit:
Gear shift positions:
Forward-neutral-reverse
Gear ratio:
2.08 (27/13)
Trim and tilt system:
Manual tilt (F15EHA, F15MHA,
F20EA, F20EHA, F20MHA)
Power tilt (F15PHA, F20PA,
F20PHA)
Propeller mark:
J/J1 (F15EHA, F15MHA, F15PHA)
J1 (F20EA, F20EHA, F20MHA,
F20PA, F20PHA)
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)
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
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
Engine oil quantity (without oil filter re-
placement):
1.6 L (1.69 US qt, 1.41 Imp.qt)
Engine oil quantity (with oil filter replace-
ment):
1.8 L (1.90 US qt, 1.58 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:
0.250 L (0.264 US qt, 0.220 Imp.qt)
Spark plug:
17 Nm (1.73 kgf-m, 12.5 ft-lb)
Propeller nut:
17 Nm (1.73 kgf-m, 12.5 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
15