Yamaha YFM80WP Owner's Manual page 261

a
a. Spark plug gap
a. Écartement des électrodes
a. Separación entre electrodos de la bujía
Standard spark plug:
CR7HS (NGK)
Before installing the spark plug, measure the
electrode gap with a feeler gauge and adjust to
specification.
Spark plug gap:
0.6 ~ 0.7 mm
When installing the spark plug, always clean the
gasket surface and use a new gasket. Wipe off
any grime from the threads and tighten to the
specified torque.
Tightening torque:
Spark plug:
12.5 Nm (1.25 m0kgf)
8-25