Yamaha F4, Руководство по обслуживанию

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GENERAL
INSP
ADJ E
3-12
a
b
a
377-004
4. Measure:
9 Spark plug gap
a
Out of specification
®
Regap
Use a wire gauge.
5. Tighten:
9 Spark plug
NOTE:
9 Before installing the spark plug, clean the
gasket surface and spark plug surface.
Also, it is suggested to apply a thin film of
anti-seize compound to the spark plug
thread to prevent thread seizure.
9 If a torque wrench is not available, a good
estimate of the correct tightening torque
is to finger tighten
a
the spark plug and
then tighten it another 1/4 to 1/2 of
a
turn
b
.
9 Always use a new spark plug gasket.
Spark plug gap:
0.6 ~ 0.7 mm (0.024 ~0.028 in)
Spark plug:
25 Nm (2.5 m•kg, 18 ft•lb)
3. Clean:
9 Spark plug
(with a spark plug cleaner or wire
brush)
Spark plug type (NGK):
B6HS/BR6HS