Yamaha BREEZE YFA1S Owner's Manual page 105

Before installing the spark plug, measure the
q
electrode gap with a wire thickness gauge and
adjust it to specification.
Spark plug gap:
0.6–0.7 mm (0.02–0.03 in)
1. Spark plug wrench
Tightening torque:
a
Spark plug:
12.5 Nm (1.25 m0kgf, 9.1 ft0lbf)
a. Spark plug gap
When installing the spark plug, always clean the
gasket surface and its mating surface. Wipe off
any grime from the threads and tighten it to the
specified torque.
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