Yamaha MBK YQ100 Service Manual page 57

CHECKING THE SPARK PLUG
5.Clean:
•spark plug
(with a spark plug cleaner or wire brush)
6.Measure:
•spark plug gap
(with a wire gauge or feeler gauge)
Out of specification → Adjust.
7.Install:
•spark plug
NOTE:
• Before installing the spark plug, clean the
spark plug and gasket surface.
• First tighten by hand, then torque to
specification.
8.Connect:
•spark plug cap
3-14
INSP
REG
Spark plug gap
0.5 ~ 0.7 mm
Spark plug
20 Nm (2 m•kg)