Spark plug gap: 0.7-0.9mm
Spark plug heat range
Check the spark plug heat range by
observing the electrode color. If the
electrode of the spark plug is appearing wet
or dark color, replace the spark plug with a
hotter type one. If it is white or appearing
glazed, replace the spark plug with a colder
type one.
Standard type: DCPR8E / NGK
Colder type: DCPR9E / NGK
Hotter type: DCPR7E / NGK
CAUTION: In order to avoiding damaging
cylinder cap thread, firstly use hands to
tighten spark plug and then use spark plug
wrench to tighten cylinder cap with
designated torque.
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