Checking Fuel Filter; Inspecting Idle Speed - Yamaha E60H Owner's Manual

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Maintenance
spark plugs.
(2) Remove the spark plug. If electrode ero-
sion becomes excessive, or if carbon
and other deposits are excessive, you
should replace the spark plug with an-
other of the correct type. WARNING!
When removing or installing a spark
plug, be careful not to damage the in-
sulator. A damaged insulator could
allow external sparks, which could
lead to explosion or fire.
Standard spark plug:
B8HS-10
BR8HS-10
(3) Be sure to use the specified spark plug,
otherwise the engine may not operate
properly. Before fitting the spark plug,
measure the electrode gap with a wire
thickness gauge; replace it if out of spec-
ification.
3
3
2
2
1. Spark plug gap
2. Spark plug part number
3. Spark plug I.D. mark (NGK)
Spark plug gap:
0.9–1.0 mm (0.035–0.039 in)
(4) When fitting the plug, wipe off any dirt
from the threads, and then screw it in to
the correct torque.
62
TIP:
If a torque-wrench is not available when you
are reinstalling a spark plug, a good estimate
of the correct torque is 1/12 turn past finger-
tight. When you are installing a new spark
plug, a good estimate of the correct torque is
1/2 to 2/3 turn past finger-tight.
[EWM00562]
EMU37451

Checking fuel filter

Check the fuel filter periodically. If any water
or foreign matter is found in the filter, clean or
replace it. For cleaning or replacement of the
fuel filter, consult your Yamaha dealer.
EMU29045

Inspecting idle speed

1
1
EWM00452
ECM00491
This procedure must be performed while
the outboard motor is in the water. A
flushing attachment or test tank can be
Spark plug torque:
25 N·m (2.5 kgf·m, 18 lb·ft)
Do not touch or remove electrical parts
when starting or during operation.
Keep hands, hair, and clothes away
from the flywheel and other rotating
parts while the engine is running.
ZMU06175

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