Yamaha BEAR TRACKER YFM250XR Owner's Manual page 282

a. Spark plug gap
a. Écartement des électrodes
a. Separación entre electrodos de la bujía
Before installing the spark plug, measure the elec-
trode gap with a feeler gauge and adjust to speci-
fication.
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:
17.5 Nm (1.75 m·kgf)
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