Installation Requirements; Boat Horsepower Rating; Mounting Outboard Motor; Battery Requirements - Yamaha F8 Operator's Manual
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Also See for F8:
- Owner's manual (82 pages) ,
- Maintenance manual (130 pages) ,
- Maintenance manual (36 pages)
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Recommended gear oil:
Yamalube Marine Gearcase Lube or
Hypoid gear oil
Recommended gear oil grade:
SAE 90 API GL-4
Gear oil quantity:
0.150 L (0.159 US qt, 0.132 Imp.qt)
Tightening torque:
Spark plug:
24 Nm (2.45 kgf-m, 17.7 ft-lb)
Propeller nut:
17 Nm (1.73 kgf-m, 12.5 ft-lb)
Engine oil drain bolt:
24 Nm (2.45 kgf-m, 17.7 ft-lb)
EMU33555
Installation requirements
EMU33565
Boat horsepower rating
EWM01561
WARNING
Overpowering a boat can cause severe in-
stability.
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.
EMU40491
Mounting outboard motor
EWM02501
WARNING
Improper mounting of the outboard mo-
tor could result in hazardous conditions
such as poor handling, loss of control,
or fire hazards.
Because the outboard motor is very
heavy, special equipment and training is
required to mount it safely.
Specifications and requirements
Your dealer or other person experienced in
proper rigging should mount the outboard
motor using correct equipment and complete
rigging instructions. For further information,
see page 31.
EMU25695
EMU25732
Without a rectifier or Rectifier Regula-
tor
ECM01091
NOTICE
A battery cannot be connected to models
that do not have a rectifier or Rectifier
Regulator.
If you wish to use a battery with the models
without a rectifier or Rectifier Regulator, in-
stall an optional Rectifier Regulator.
Using maintenance-free sealed batteries or
gel cell batteries is not recommended be-
cause they may not be compatible with
Yamaha's charging system for this outboard
motor.
Install an optional Rectifier Regulator or use
accessories rated to withstand 18 volts or
higher with the above models. Consult your
Yamaha dealer for details on installing an op-
tional Rectifier Regulator.
EMU34196
Next to selecting an outboard motor, select-
ing the right propeller is one of the most im-
portant purchasing decisions a boater can
make. The type, size, and design of your pro-
peller have a direct impact on acceleration,
top speed, fuel economy, and even engine
life. Yamaha designs and manufactures pro-
pellers for every Yamaha outboard motor and
every application.
Battery requirements
Propeller selection
15
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