Checking Fuel Filter (F2.5A); Checking Fuel Filter (F4B, F5A, F6C); Inspecting Idle Speed; Changing Engine Oil - Yamaha F6C Owner's Manual

Maintenance
Spark plug torque:
F2.5AMH 25.0 Nm (2.55 kgf-m,
18.4 ft-lb)
F4BMH 13.0 Nm (1.33 kgf-m,
9.6 ft-lb)
F5AMH 13.0 Nm (1.33 kgf-m,
9.6 ft-lb)
F6CMH 13.0 Nm (1.33 kgf-m,
9.6 ft-lb)
TIP:
If a torque-wrench is not available when you
are fitting a spark plug, a good estimate of the
correct torque is 1/4 to 1/2 a turn past finger-
tight. Have the spark plug adjusted to the cor-
rect torque as soon as possible with a torque-
wrench.
EMU42462

Checking fuel filter (F2.5A)

For cleaning or replacement of the fuel filters
at the intervals specified in the periodic main-
tenance chart, consult a Yamaha dealer.
EMU39921

Checking fuel filter (F4B, F5A, F6C)

The fuel filters are located in the filler hole of
the built-in fuel tank and in the bottom cowling.
Check the fuel filters periodically. If foreign
material is found in the filters, clean or replace
them. For cleaning or replacement of the fuel
filters, consult a Yamaha dealer.
1
1. Fuel filter
85
1
ZMU06765
EMU40140

Inspecting idle speed

ECM02230
NOTICE
When checking the engine idle speed,
make sure to supply water to the cooling
water passages by placing the outboard
motor in the water or by using a flushing
attachment or test tank.
To check the engine idle speed, a diagnostic
tachometer is required. For checking or ad-
justment of the engine idle speed, consult a
Yamaha dealer.
EMU42910

Changing engine oil

F2.5A
Change the engine oil several minutes after
the engine has been stopped, so that the oil is
still warm, but not hot.
EWM01950
WARNING
Be sure the outboard motor is securely
fastened to the transom or a stable stand.
ECM01710
NOTICE
Change the engine oil after the first 20
hours of operation or 3 months, and every
100 hours or at 1-year intervals thereafter.
Otherwise the engine will wear quickly.
1. Put the outboard motor in an upright po-
sition (not tilted). NOTICE: If the out-
board motor is not level, the oil level
indicated on the oil dipstick may not
be accurate.
[ECM01861]